Mainstays 20oz Plastic Tumbler with Screw Top Lid and Straw, Blue
Mainstays 20oz Plastic Tumbler with Screw Top Lid and Straw, Blue
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Mainstays

Mainstays 20oz Plastic Tumbler with Screw Top Lid and Straw, Blue

4.5 stars out of 507 reviews
(4.5)|
507 ratings
Mainstays 20oz Plastic Tumbler with Screw Top Lid and Straw, BlueMainstays 20oz Plastic Tumbler with Screw Top Lid and Straw Blue
Actual Color:Blue-Out of stock
selected, Blue, $4.23, Out of stock

Key item features

  • Durable Construction: Tough, BPA-free plastic construction ensures long-lasting use for gym workouts, hikes, and events.
  • Convenient Straw: Comes with an easy-sip straw for effortless hydration on the go.
  • See-Through Design: Transparent design allows you to easily track your drink levels and know when to refill.
  • Portable Size: 20oz capacity fits most cup holders and backpack pockets for easy carrying.
  • Versatile Use: Ideal for water, iced coffee, or your favorite cold drinks, perfect for daily use, parties, or outdoor adventures.
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Current price is $4.23
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Customer ratings & reviews

4.5 out of 5 stars
stars507 ratings114 reviews
How item rating is calculated
  1. 5 stars77% (389)
  2. 4 stars9% (45)
  3. 3 stars7% (35)
  4. 2 stars2% (10)
  5. 1 star6% (28)

Reviews summary

Pros
  • : Suitable for various temperatures and beverage types.
  • : Holds standard drinks comfortably in hand.
  • : Cup design allows for simple cleaning.
  • : Has a spill-proof design.
  • : Priced similarly to comparable products.
Cons
  • : Straw connection design allows for liquid escape.
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Showing 1-3 of 114 reviews

Sep 26, 2025
KristinaMariet
Top Reviewer
Item details
Color: Purple
5 out of 5 stars review

Verified Purchase

This tumbler is super convenient and great!

The 20oz size is just right for water, iced coffee, or any cold drink. I really like the screw-top lid because it feels secure and helps prevent spills, and the included straw makes it easy to sip on the go. The plastic is sturdy but still lightweight, so it's easy to carry around at home, work, or in the car. It's also simple to clean and holds up well after multiple uses. For the price, it's an excellent value—practical, durable, and handy for daily hydration. Definitely a solid buy!

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Jun 10, 2025
Juliette
Top Reviewer
Item details
Color: Clear
5 out of 5 stars review

Verified Purchase

Convenient travel size glasses.

I like that they have a screw top and hard plastic straw. They fit snugly in a Koozie and that makes it more convenient to carry beverages, whether hot-ish or iced drinks. I bought 6 of them, because I love them so much!! The only drawback is they are not double walled insulated!!

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May 15, 2025
Charise
Top Reviewer
Item details
Color: Purple
5 out of 5 stars review

Verified Purchase

Great value

Ordered several of these to customize for my daughters birthday party by adding the girls names to the cups. Worked out great, the girls loved them and they were a very inexpensive way to make the girls feel special while also making sure they all knew which cup was theirs.

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