Mainstays 24 oz Double-Wall Stainless Steel Water Bottle with Straw Lid, Black
Mainstays 24 oz Double-Wall Stainless Steel Water Bottle with Straw Lid, Black
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Mainstays 24 oz Double-Wall Stainless Steel Water Bottle with Straw Lid, Black

964 ratings

Key item features

  • Durable Insulation: Built from 18/8 stainless steel, featuring double-wall vacuum insulation for durability. This design keeps drinks hot or cold longer and reduces external condensation.
  • Generous Capacity: Its 24 oz capacity offers a practical size for various beverages, convenient for daily routines, including travel, work, or gym use.
  • Protective Straw: The straw lid allows for easy sipping on the move and includes a dust-prevention cover to maintain a cleaner drinking area.
  • Simple Cleaning: This water bottle is dishwasher safe, ensuring easy everyday cleaning and straightforward care.
  • Compact Sizing: Measures 10.24 inches high and 2.99 inches in width/length, assisting with carry and placement planning.
  • BPA-Free Construction: Offers BPA-free construction for peace of mind during regular use. The black finish provides a clean, versatile look.
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Specs

Volume capacity, 24 ozMaterial, Stainless SteelWater bottle feature, InsulatedWater bottle lid style, Straw TopCare and maint, dishwasher - safeIs bpa-free, Y

About this item

Product details

This Mainstays water bottle gives you a simple way to carry drinks through the day. The 24 oz size is easy to bring from home to work, the gym, or travel. Its stainless steel build and double-wall design help keep hot or cold drinks at a comfortable temperature longer while helping reduce sweat on the outside. The straw lid makes sipping easy when you're on the move, and the black finish keeps the look clean and versatile. BPA-free construction adds everyday peace of mind for regular use.
  • Made with 18/8 stainless steel and double-wall vacuum insulation for a durable, insulated design.
  • 24 oz capacity offers a practical size for water, juice, and other beverages during daily routines.
  • Straw top includes a dust-prevention lid to help keep the sipping area cleaner between drinks.
  • Dishwasher safe for easy everyday cleaning and care.
  • Measures 10.24 in high and 2.99 in wide x 2.99 in long to help with carry and placement planning.
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Specifications

Volume capacity

24 oz

Material

Stainless Steel

Water bottle feature

Insulated

Water bottle lid style

Straw Top

Warranty

Warranty information

Dishwasher Safe

Warnings

Customer ratings & reviews

4.5 out of 5 stars
stars
964 ratings202 reviews
Includes global ratings and reviews
How item rating is calculated

Reviews summary

Pros

  • : The bottle fits cup holders and backpacks.
  • : It offers good insulation and durable build for the cost.
  • : Made to withstand rough handling.
  • : The bottle slides through side pockets and stays leakproof.
  • : Features a range of bright hues.

Neutral

  • : It folds and flexes yet can be short, detach, or leak.
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Showing 1-3 of 202 reviews

Sep 3, 2026
Reviewer name: kuihiwi
Item details
Color: Purple
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Don't sleep on this stainless steel water bottle!

these stainless steel water bottles completely exceeded my expectations! purchased them for my girls for school, it is the perfect size as it fits in the side pockets of their backpacks, comes in multiple colors, and keeps their water cold all day without the outside sweating! The little handle, the flit straw lid, seriously this flask is under-rated! Worth the money, you'll be blown away by the quality!

Helpful?3U4VT1Q0BD0Z13430701514
Jul 17, 2026
Reviewer name: anonymous
Top Reviewer
Item details
Color: Purple
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Better Than Expected

I didn't think these bottles would be that good but considering it doesn't sweat it keeps the inside cold or hot and it helps me in particular because I am rather clumsy with spills, I think this is a very good purchase.

Helpful?3U4VT1Q0BD0Z13430701514
Jul 17, 2026
Reviewer name: anonymous
Top Reviewer
Item details
Color: Blue
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

A Second For The MR

I got myself a bottle and absolutely loved it so I decided to get my husband one as well.

Helpful?3U4VT1Q0BD0Z13430701514
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