Reduce Slim Cold1 Tumbler - Straw, Lid & Handle. Insulated Stainless Steel 40oz, Cornflower
Reduce Slim Cold1 Tumbler - Straw, Lid & Handle. Insulated Stainless Steel 40oz, Cornflower
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Reduce Slim Cold1 Tumbler - Straw, Lid & Handle. Insulated Stainless Steel 40oz, Cornflower

Reduce Slim Cold1 Tumbler - Straw, Lid & Handle. Insulated Stainless Steel 40oz, CornflowerReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz CornflowerReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz Color BlockReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz Blossom PinkReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz Pink CoralReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz Snow LeopardReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz WisteriaReduce Slim Cold1 Tumbler Straw Lid Handle Insulated Stainless Steel 40oz Seaglass

Key item features

  • Cold Insulation: Keeps drinks cold for up to 40 hours with double wall, sweat-proof 18/8 grade stainless steel.
  • Slim Design: Fits most cup holders and features a non-slip silicone base, ideal for travel.
  • Versatile Lid: Patented Sip-It-Your-Way lid allows sipping, drinking, or gulping with a straw or open flap.
  • Easy Maintenance: Dishwasher safe and BPA-free for convenient cleaning and safe use.
  • Large Capacity: 40oz capacity with inner markings to help track daily hydration, reducing refill trips.
  • Durable & Stylish: Made from durable stainless steel with a practical handle, combining sturdiness and style.
  • Leak-Proof: When the lid is closed, enjoy a leak-proof and spill-proof experience, perfect for a busy lifestyle.
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Customer ratings & reviews

4.6 out of 5 stars
stars1,382 ratings576 reviews
How item rating is calculated
  1. 5 stars84% (1,155)
  2. 4 stars6% (86)
  3. 3 stars3% (40)
  4. 2 stars2% (33)
  5. 1 star5% (68)

Reviews summary

Pros

  • : Holds a good amount of water.
  • : Available in a range of beautiful colors.
  • : Keeps drinks at a low temperature over time.
  • : Offers great quality at a lower cost.
  • : Keeps ice for 24 hours or more in many cases.

Neutral

  • : Can be sturdy, but may be flimsy or prone to damage.
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Showing 1-3 of 576 reviews

Apr 3, 2025
Nero
Top Reviewer
Item details
Color: Wisteria Purple
5 out of 5 stars review

Verified Purchase

Great drink tumbler

I love the reduce mug and tumbler products. I have been using the 50 oz tumblers daily for two plus years and the 50 oz mug for a year plus before that for my water. These keep me hydrated and fit perfect in my car. I have also given them as gifts. I bought this to replace my yeti. It is the perfect size for lots of ice and my 16 oz Mountain Dew. I also have the stainless steel lids to insulate even better. I like cold drinks.

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reply from Base Brands Product Expert

Wow! Thank you so much for your feedback!

Dec 23, 2025
Pandalene
Top Reviewer
Item details
Color: Seaglass Green
5 out of 5 stars review

Verified Purchase

Keeps drinks cold for more than 8 hours.

I bought 2 more I love this one so much. The lid closes around the straw to help prevent it from leaking if it gets knocked over and it is a great size. Cold drinks stay cold for more than 8 hours. The only think I don't like about it is the silicone type base that is a little difficult to clean when I take it outside to work in the garden. But other than that they are perfect.

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Dec 18, 2025
Hexybar
Item details
Color: Wisteria
5 out of 5 stars review

Verified Purchase

Beautiful color, thick and sturdy handle, PUSH DOWN lid (instead of screw on), AND a silicone bumper ring around the bottom so the cup isn't loud to set down, this tumbler has it all! Needed a giant tumbler for postpartum and this one has been perfect. Helps me get my water in, stays cold all night long, and isn't loud to set down so I'm not worried about waking the sleeping baby. Reduce has been recommended to me so many times and I'm so glad that I decided to go with their tumbler when I needed one!

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