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Mainstays

Mainstays 18-Ounce Plastic Tumbler, Gray

4.7 stars out of 1818 reviews
(4.7)|
1,818 ratings
Mainstays 18-Ounce Plastic Tumbler, GrayMainstays 18 Ounce Plastic Tumbler GrayMainstays Dark Blue Round Plastic Tumbler 18 OunceMainstays Cream Round Plastic Tumbler 18 Ounce10 pack Mainstays Dark Blue Round Plastic Tumbler 18 Ounce10 pack Mainstays 18 Ounce Plastic Tumbler GrayMainstays Sage Round Plastic Tumbler 18 Ounce
Actual Color:Gray-Out of stock
Pack Size:Single-Out of stock

Key item features

  • Generous Capacity: 18 fluid ounce capacity - great for daily hydration
  • Durable Material: Made from durable, BPA-free polypropylene plastic
  • Compact Dimensions: Compact size: 3.5-inch diameter x 4.75-inch height
  • Matte Finish: Smooth matte finish in vibrant, solid colors
  • Everyday Use: Built to last - ideal for everyday use
  • Versatile Utility: Perfect for casual entertaining and gatherings
  • Indoor/Outdoor: Versatile for both indoor and outdoor use
  • Convenient Care: Microwave- and dishwasher-safe for added convenience
  • Color Options: Available in multiple colors - mix and match your style
  • Coordinated Look: Coordinate with other home essentials from Mainstays
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Current price is $0.50
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Customer ratings & reviews

4.7 out of 5 stars
stars1,818 ratings329 reviews
How item rating is calculated
  1. 5 stars84% (1,531)
  2. 4 stars9% (156)
  3. 3 stars3% (59)
  4. 2 stars1% (20)
  5. 1 star3% (52)

Reviews summary

Pros

  • : Offers great value at this cost.
  • : Made with thick material that withstands regular use.
  • : Holds average drink amounts comfortably.
  • : Available in a range of bright and bold shades.
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Showing 1-3 of 329 reviews

Oct 12, 2025
Mark
Top Reviewer
Item details
Color: Blue
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Cost-effective

We were spending quite a bit of money monthly for styrofoam cups. We use these for our clients to keep and re-use. It saves us a lot of money, plus is better for the environment. We have the clients use an acrylic/oil based marker and put their name on them. The clients can be very creative. They are perfect size for a cup of coffee as well as a cold drink. Price-wise they pay for themselves. They are sturdy and don't tip over as easy as the other cups. Very pleased.

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Sep 6, 2025
Jess
Item details
Color: Gray
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I love these cups!

These cups are versatile, easy to clean, easy for children to hold without slipping and they hold 18 oz. Great price for a well-made product. I bought 10 to replace some of our older cups. Definitely recommend, and I'll probably buy more in a different color!

Helpful?5GPC1VGMXAHI705940599
Mar 25, 2026
dede
Item details
Color: Blue
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Navy Dish Set/Awesome

Thanks for having navy tumblers /dishes. I finally was able to get all the pieces to this set because Walmart sold them separately. I had been wanting Navy dish set for over a year and half. I was also blessed to get them for such a low price for each item. They wash up well. Thanks Walmart!!!

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