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Stay Cool with the Coldest Water Bottle’s Revolutionary Insulation


SKU B08KPSDJM1 Category


Keep your drinks icy cold for up to 36 hours with the Coldest Water Bottle’s innovative vacuum insulation technology. This 21 oz stainless steel water bottle combines double-walled insulation with a unique cap design to create the ultimate beverage cooling system.

Innovative Lid Keeps Heat Out and Cold In

The Coldest Water Bottle features a patented lid that completely seals off the contents from the outside environment. A straw lid with flip top allows you to sip easily without compromising insulation. The lid creates a tight vacuum seal that traps cold air inside the bottle, preventing transfer of heat or cold. Drinks stay cold and refreshing for up to 36 hours – even on hot, sunny days.

Durable 18/8 Food-Grade Stainless Steel

The bottle itself is constructed from premium 18/8 stainless steel, making it extremely durable as well as sweat and odor resistant. 18/8 refers to the composition of the steel – 18% chromium and 8% nickel – creating an optimal balance of strength and corrosion resistance. This high quality steel will never rust, crack, or leave a metal taste in your drinks.

Ergonomic Shape Fits Perfectly in Hands or Cupholders

Shaped for comfortable gripping and portability, the Coldest Bottle features a slim yet sturdy profile. The ergonomic shape fits perfectly in car cupholders, bike cages, and backpack mesh pockets. Take it anywhere without worrying about leaks or condensation. The textured powder coating helps prevent slips.

BPA-Free and FDA-Approved Materials

Don’t compromise health for hydration. The Coldest Water Bottle contains zero BPA or other toxins. Made from 100% food-grade stainless steel and plastic, it’s approved by the FDA for safe use. You can fill it with water, juice, tea, protein shakes or any other beverage with confidence.

Easy to Clean and Maintain

The Coldest Bottle is fully dishwash safe, but hand washing with mild soap and warm water is recommended to prolong lifespan. To keep it performing like new, clean regularly with the included straw and bottle brush. No need to take apart the lid or base – simply rinse and go.

Legendary Customer Service

We stand behind the quality and performance of the Coldest Water Bottle with a 100% satisfaction guarantee. If you experience any issues with your purchase, contact us directly for a replacement or refund. Our US-based customer service team is ready to help!

Frequently Asked Questions

How long will ice stay frozen in the Coldest Water Bottle?
With maximum pre-chilling and filling just with ice, the bottle will keep ice frozen for 12-16 hours in most conditions. Ice will melt more quickly if the bottle is frequently opened.

Can I put carbonated drinks in the Coldest Water Bottle?
Yes, you can safely carry carbonated drinks like soda and beer. Just avoid shaking excessively, keep the lid closed when not drinking, and release pressure slowly by cracking the lid before opening fully.

What are the dimensions of the Coldest 21 oz Water Bottle?
The bottle is 10.25 inches high with a 2.75 inch diameter. It’s designed to be slim enough for cupholders but big enough for a full day of hydration.

Can hot drinks be carried in the Coldest Water Bottle?
Yes, the vacuum insulation works just as well for heat retention. Fill with hot coffee, tea, or soup and it will stay piping hot for up to 12 hours.

Can the Coldest Water Bottle go in the dishwasher?
Hand washing is recommended, but you can put the bottle (without lid) in the top rack of the dishwasher if needed. Avoid high heat drying cycles.

Stay refreshed and energized no matter where your adventures take you with the revolutionary cooling power of the Coldest Insulated Stainless Steel Water Bottle. It makes both cold and hot drinks portable, keeping your beverages the perfect temperature sip after sip.


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