Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle, Double Wall Insulated, Purple Hammertone
Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle, Double Wall Insulated, Purple Hammertone
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Mainstays

Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle, Double Wall Insulated, Purple Hammertone

Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle, Double Wall Insulated, Purple HammertoneMainstays 40 oz Stainless Steel Tumbler with Straw and Handle Double Wall Insulated Purple HammertoneMainstays 40 oz Stainless Steel Tumbler with Straw and Handle Double Wall Insulated Green CheckMainstays 40 oz Stainless Steel Tumbler with Straw and Handle Double Wall Insulated Pink Hammertone2 pack Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle Double Wall Insulated Green Check

Key item features

  • Durable Material: Made from 18/8 recycled stainless steel, ensuring a BPA-free and rustproof construction.
  • Insulated Design: Features double-wall vacuum insulation to keep beverages at the desired temperature for longer periods.
  • Generous Capacity: Holds up to 40 ounces, making it ideal for staying hydrated throughout the day.
  • Reusable Straw: Comes with a reusable straw, promoting eco-friendly practices and convenience.
  • Versatile Use: Suitable for various activities such as swimming, sports, travel, camping, and parties.
  • Convenient Handle: Equipped with a large handle for easy carrying and handling.
  • Food Safe: Made of food-grade stainless steel, ensuring no metallic taste and safe for health.
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Customer ratings & reviews

4.4 out of 5 stars
stars
1,788 ratings828 reviews
How item rating is calculated
  1. 5 stars76% (1,356)
  2. 4 stars8% (135)
  3. 3 stars4% (71)
  4. 2 stars4% (70)
  5. 1 star9% (156)

Reviews summary

Pros

  • : Retains cold temperature over an extended period.
  • : Offers great value at its cost.
  • : Has a bright, attractive shade.
  • : Holds a substantial amount of liquid.
  • : Keeps beverages at a low temperature.
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Showing 1-3 of 828 reviews

Aug 5, 2025
Linda
Top Reviewer
Item details
Color: Pink Hammertone
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I absolutely love this cup, love the color! only problem I had, if I bought another one I will go smaller because this one can get kind of heavy once it's filled up.

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Oct 28, 2025
Linda
Top Reviewer
Item details
Color: Pink Hammertone
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

40-ounce thermos for cold drinks

Glad that I found a 40-ounce thermos that was reasonable priced and loved the color it was available in and large enough for my tea or water. Very nicely made and well insulated for keeping your beverage cold.

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Oct 16, 2025
Ginni
Top Reviewer
Item details
Color: Pink Hammertone
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great cup, just watch the handle...

Really good cup, but I didn't have it long before the handle came off. It doesn't affect the cup itself, but I was disappointed that the handle came off, and I didn't even have it a month.

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