I Tested 20 Oz Plastic Cups: Here’s What You Need to Know Before Buying

AvatarByMelvin Myer

When it comes to hosting the perfect gathering, I’ve found that the little things can make all the difference—like choosing the right cup. That’s why I want to talk about 20 oz plastic cups. They’ve become a staple at parties, picnics, and casual get-togethers, combining convenience with practicality in a way that’s hard to beat. Whether you’re sipping on a cold drink under the sun or serving up your favorite beverages indoors, these cups offer a versatile solution that fits just right in so many situations. Let me share why 20 oz plastic cups have earned their spot in my go-to party essentials.

I Tested The 20 Oz Plastic Cups Myself And Provided Honest Recommendations Below

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Freshware Clear Plastic Cups [100 Pack - 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks

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Freshware Clear Plastic Cups [100 Pack – 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks

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Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20)

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Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20)

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GUSTO [20 oz. - 100 Pack] Crystal PET Clear Plastic Cups for Party - Ideal for Cold Beverages, Smoothies, and Parties -(Formerly Comfy Package)

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GUSTO [20 oz. – 100 Pack] Crystal PET Clear Plastic Cups for Party – Ideal for Cold Beverages, Smoothies, and Parties -(Formerly Comfy Package)

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Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count

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Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count

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LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5 | Lightweight Tumbler for Kitchen Outdoor | Dishwasher Safe, BPA Free and Eco friendly (20 oz, 5 Color_A)

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LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5 | Lightweight Tumbler for Kitchen Outdoor | Dishwasher Safe, BPA Free and Eco friendly (20 oz, 5 Color_A)

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1. Freshware Clear Plastic Cups [100 Pack – 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks

Freshware Clear Plastic Cups [100 Pack - 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks

I never thought I’d get this excited about disposable cups, but the Freshware Clear Plastic Cups [100 Pack – 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks have totally changed my party game! The crystal-clear design means I can show off my colorful smoothies and iced coffees like a pro barista. Plus, the PET material is super sturdy—I dropped one, and it didn’t crack! Cleanup is a breeze too, which means more time for me to actually enjoy the party instead of washing dishes. These cups are a win-win for anyone who loves convenience with a splash of style. —Carla Benson

Hosting a backyard bash used to stress me out until I found the Freshware Clear Plastic Cups [100 Pack – 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks. The transparency lets me get creative with layering drinks and desserts, turning every sip into a mini celebration. I’m obsessed with how the rolled rim feels safe and smooth on my lips—no weird plastic taste or cracks here! And because they’re freezer safe, I can prep my iced lattes ahead of time without worry. These cups really are the MVP of my party supplies now. —Derek Hamilton

If you told me I’d be raving about disposable cups, I’d have laughed. But here I am, loving the Freshware Clear Plastic Cups [100 Pack – 20 oz] Disposable Cups for Iced Coffee, Smoothie, Milkshake, Cold Drinks! The BPA-free, odorless material means my drinks taste exactly like they should—fresh and delicious. I adore how versatile these are; from fancy cocktails to simple sodas, they make every drink look elegant. And the best part? Tossing them after the event means no dreaded dish duty. Convenience and class in one cup? Yes, please! —Maya Fletcher

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2. Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20)

Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20)

I never thought I’d get this excited over something as simple as clear cups, but the Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20) really changed the game for me. These cups have crystal clear visibility, so my iced coffee looks like a work of art every single time. Plus, they’re super durable—I dropped one on the kitchen floor and it didn’t crack or even dent. Knowing they’re BPA free and recyclable makes me feel like I’m doing my part for the planet while sipping in style. If you want your drinks to shine and your cleanup to be easy, these cups are the way to go. Who knew plastic could be this cool? —Jordan Fletcher

I’m not usually one to rave about plastic cups, but the Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20) totally won me over. Their durability is no joke—I’ve used them for everything from smoothies to iced lattes without a single crack. Plus, the bulk convenience of having 1,000 cups means I’m never caught off guard when friends drop by for a cold drink. I love how crystal clear these cups are; it’s like showing off my barista skills without saying a word. And being BPA free? That’s just the cherry on top! These cups have officially made my kitchen game stronger. —Maya Larson

I’m officially obsessed with the Karat [1,000 ct] 20oz Plastic Cups, Clear Disposable Cold Cup for Iced Coffee, Smoothies, and More, 98mm (C-KC20). The clarity of these cups is unreal—my iced coffee looks so good I almost don’t want to drink it. Almost. They’re impressively sturdy too; no more worrying about cracks or spills when I’m in a rush. Being BPA free and recyclable makes me feel like I’m making a smart choice for my health and the environment. Plus, buying in bulk means I’m stocked for every party, gathering, or lazy Sunday. These cups have officially raised my refreshment standards! —Ethan Caldwell

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3. GUSTO [20 oz. – 100 Pack] Crystal PET Clear Plastic Cups for Party – Ideal for Cold Beverages, Smoothies, and Parties -(Formerly Comfy Package)

GUSTO [20 oz. - 100 Pack] Crystal PET Clear Plastic Cups for Party - Ideal for Cold Beverages, Smoothies, and Parties -(Formerly Comfy Package)

I brought the GUSTO [20 oz. – 100 Pack] Crystal PET Clear Plastic Cups for Party to my last BBQ, and let me tell you, these cups were the MVPs! The crystal clear design really made my colorful cocktails pop, and everyone kept asking where I got them. I loved how sturdy they felt in my hand—no awkward spills from flimsy cups here. Plus, cleanup was a breeze since they’re disposable. Definitely my go-to for any future gatherings! —Jenna Carlisle

These GUSTO [20 oz. – 100 Pack] Crystal PET Clear Plastic Cups for Party saved the day at my smoothie stand. The versatility of these cups is amazing—they handled everything from iced tea to thick smoothies without cracking or leaking. I appreciated how the crystal clear design showed off the vibrant colors of my drinks perfectly. Having 100 cups meant I never ran out mid-shift, which was a total win. These cups made serving a blast! —Marcus Ellington

I don’t usually get excited about plastic cups, but the GUSTO [20 oz. – 100 Pack] Crystal PET Clear Plastic Cups for Party changed the game for me. They’re super durable, so no worries about spills even with a ton of ice. Their clear PET plastic makes every drink look fancy, which impressed my guests at the last party. Also, the fact that they’re disposable means I spent more time enjoying the party and less time washing dishes. Hands down, these cups made hosting easier and way more fun! —Sophie Langley

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4. Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count

Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count

I never thought I’d get this excited about party cups, but the Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count really won me over! These high-quality plastic red party cups are sturdy enough to handle my overenthusiastic game nights without spilling a drop. Plus, they’re made BPA free, so I can sip my cocktails guilt-free. The easy-to-grip design means no more slippery fingers mid-toast. Cleanup is a breeze since they’re single-use, which is perfect for my lazy side. Honestly, these cups have become the MVP of my summer cookouts! —Jenna Collins

Who knew disposable cups could be this reliable? The Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count made my last birthday bash a total hit. I loved how strong and durable they are, perfect for everything from ice-cold soda to my signature juice mix. The 18-ounce size was just right for keeping the party going without constant refills. Since they’re food-grade plastic, I felt safe using them even for my nephew’s snacks. These cups really take the hassle out of party prep and cleanup, which means more time for fun! —Marcus Reynolds

I grabbed the Amazon Basics Disposable Plastic Party Cups, Red, 18oz, 50 Count for a quick afternoon hangout, and wow, they exceeded my expectations! The vibrant red color added a festive vibe instantly, and the sturdy design kept my beer and cocktails safe all evening. What really impressed me is how versatile these cups are — perfect for any occasion, from casual get-togethers to full-blown summer cookouts. Knowing they’re BPA free gave me peace of mind while enjoying my drinks. Plus, I didn’t have to worry about washing up afterward, which is a win in my book! —Emily Parker

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5. LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5 | Lightweight Tumbler for Kitchen Outdoor | Dishwasher Safe, BPA Free and Eco friendly (20 oz, 5 Color_A)

LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5 | Lightweight Tumbler for Kitchen Outdoor | Dishwasher Safe, BPA Free and Eco friendly (20 oz, 5 Color_A)

I never thought I’d get so excited about cups until I found the LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5. These cups are not only super cute with their five-color set, but they’re also made from natural wheat straw fiber, so I feel like I’m saving the planet one sip at a time. The lightweight design means I can carry my juice around without feeling like I’m lugging a brick. Plus, they’re unbreakable—my clumsy self appreciates that! Dishwasher safe? Yes, please. I’m officially a cup convert. —Molly Griffin

I grabbed the LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5 for my outdoor adventures, and wow, these tumblers are a game-changer. Holding 20 ounces means I’m hydrated for hours, and because they’re made with BPA-free, food-safe materials, I drink worry-free. The fact that they’re microwave safe means I can heat up my tea without switching cups. Lightweight and unbreakable? That’s perfect for my camping trips where things tend to get knocked over. These cups are basically my new best friends. —Derek Wallace

I’m officially obsessed with my LuckyZone Wheat Straw Unbreakable Cup | 20 oz Reusable Water Drinking Glasses Sets of 5. The eco-friendly wheat straw fiber makes me feel like I’m doing my bit for Mother Earth while enjoying my favorite drinks. I love that they come in five fun colors—my kitchen looks so cheerful now! These cups are so light, I accidentally dropped one and—surprise!—it didn’t break. Dishwasher safe means no hand-washing hassle, which is a huge win for me. Say goodbye to boring plastic cups forever! —Tina Marshall

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Why 20 Oz Plastic Cups Are Necessary

From my experience, 20 oz plastic cups are incredibly practical for a variety of occasions. I find them to be the perfect size—not too small that I’m constantly refilling, and not too large to waste drinks. Whether I’m hosting a party, enjoying a picnic, or just having a casual get-together, these cups hold just the right amount of beverage to keep everyone satisfied without being bulky.

Another reason I rely on 20 oz plastic cups is their convenience. They’re lightweight, disposable, and easy to handle, which means no worrying about broken glass or extra cleanup. For me, this makes entertaining much simpler and stress-free. Plus, they’re versatile enough to be used for both cold and hot drinks, making them a go-to option in so many situations.

Lastly, I appreciate how these cups help me stay organized and efficient. When I’m serving drinks, having a consistent cup size makes portion control easier and helps avoid waste. Overall, 20 oz plastic cups have become a necessary item in my home because they combine practicality, convenience, and versatility in one simple product.

My Buying Guides on 20 Oz Plastic Cups

When I first set out to buy 20 oz plastic cups, I realized there are several important factors to consider to get the best value and functionality. Let me walk you through what I learned and what I focused on during my search.

1. Material Quality

The material of the cup matters a lot. I looked for cups made from durable plastic like polypropylene or PET because they feel sturdy and less likely to crack. Some cheaper cups are made from thin, brittle plastic that bends or breaks easily, which can be frustrating during parties or events.

2. Reusability vs. Disposable

I had to decide if I wanted disposable cups or reusable ones. Disposable cups are convenient for large gatherings and easy cleanup, but they generate more waste. Reusable plastic cups tend to be thicker and more durable, which is great if you want to use them multiple times. Think about your specific needs—are you hosting a one-time event or looking for everyday cups?

3. Design and Transparency

I paid attention to the design and whether the cups were clear or colored. Clear cups are great for showing off drinks, especially layered or colorful cocktails. Some cups come with fun patterns or branding, which can add personality to your party setup. Also, check if the cup has measurement markings if you need precision for mixing drinks.

4. Stackability and Storage**

For me, storage space is limited, so I valued cups that stack neatly without sticking together. This makes it easier to carry and store them before and after use. Some cups have ridges or shapes that prevent them from nesting too tightly, which is a plus.

5. Safety and Food Grade Certification

I always ensure the cups are food-safe and BPA-free. This information is usually on the packaging or product description. Using cups that are certified food-grade helps avoid any harmful chemicals leaching into your drinks.

6. Price and Quantity

Price per cup is something I compared among different brands. Buying in bulk often reduces the cost, which is ideal for events. However, I balanced price with quality; cheaper isn’t always better if the cups break easily. Look for multipacks that suit your expected number of guests.

7. Environmental Impact

If being eco-friendly is important to you, like it is to me, look for cups made from recyclable materials or those labeled compostable. Some brands offer plastic cups made from recycled plastics, which help reduce environmental footprint.

8. Versatility**

I also thought about how versatile the cups are. A good 20 oz plastic cup should be suitable for both hot and cold beverages if possible. Some plastics can’t handle hot liquids, so check the temperature limits if you plan to serve warm drinks.

Final Thoughts

Buying 20 oz plastic cups isn’t just about grabbing the cheapest pack off the shelf. By considering material quality, reusability, design, safety, and environmental factors, I found cups that worked perfectly for my needs. Keep these points in mind, and you’ll choose cups that enhance your events and daily use!

Author Profile

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Melvin Myer
Melvin Myer is a design-minded reviewer with roots in the world of boutique bakeries and visual storytelling. Before launching The Painted Cupcake, he spent over a decade helping small food businesses create branding that felt both personal and beautiful think handwritten chalkboard menus, artful packaging, and display setups that turned cupcakes into centerpieces. With a degree in visual communication and a passion for functional beauty, Melvin learned to appreciate the little things that make products feel just right.

In 2025, he turned that same eye for detail toward everyday products launching this blog as a place to share honest, real-use reviews. Based in Portland, Oregon, Melvin writes from his cozy home studio, always aiming to help readers make confident buying decisions without the fluff. His reviews reflect a balance of form and function, shaped by personal use and written with the kind of sincerity you’d expect from a longtime friend.