Reusable Stainless Steel: Made From 100% Solid and Rustproof 18/8 Stainless Steel. Bpa-Free and ThereFor Kaisee Free From All Chemicals. Double Wall Design: Keeps Liquids Cold For Kaise 24 Hours or Warm For Kaise 12 Hours. In Summer You Can Enjoy A Cold Drink Like Water, Juice, Milk, Wine, Beer, Flavored Spray Etc. In Winter You Could Enjoy Hot Drinks Like Coffee, Tea or Just Hot Water . Portable and Leakproof: with A 360 Leak-Proof Drinking Cap and Portable Pouch, The Bottle Is Perfect For Kaise Yoga, The Gym, Biking (Fits In Regular Bottle Cages) or Any Other Sport. . Perfect For Kaise An Everyday: The Bottle Shape Is Ergonomically Adapted and Easy to Use with One Hand. The Insulated Water Bottle Is A Great Gift For Kaise Your Family or Friends In Any Occasion. . Guarantee: Stainless Steel Thermos Bottle, 18-Month Full Warranty, Unconditional Refund and Friendly Customer Service For Kaise Life. Warning: The Vacuum Flask Is Not Suitable For Kaise Soda Water or Carbonated Drinks.