Fnova Stainless Steel Water Bottle, Flask 35oz/17oz Insulated Double Walled Vacuum Thermos Carry Loop Cap, Bonus A Cleaning Brush KEEP COLD 24 HRS / HOT 12 HRS - Unlike plastic water bottles or single wall stainless bottles, The double wall vacuum insulated technology will keep your beverage of choice in cold for a whole day and hot for the most day. THE INNOVATION OF THE CAP- [SOFT FLEXIBLE STRAP] Made from comfortable Flexible, durable TPU material match with a wide handle design to offer a easily carry; [BUILT-IN INSULATION TECHNOLOGY] Built-in insulated stainless steel on the top of the lid, will keep internal temperatures be protected; [DESIGNED WITH CARRY LOOP] The carry loop connected the bottle and lid for on-to-go activities also ensure your lid never leave your bottle and no trouble with the lid missing. FOOD GRADE STAINLESS STEEL - All of Fnova water bottles are made with 18/8 pro-grade stainless steel  a metal recognized for its strength, purity and health. It also protects against flavor transfer, means its No metallic taste, No Toxins and Chemicals Leaching, Eco-friendly, BPA free, Safe to use for the whole family. OUTSTANDING UNIQUE POWDER COAT - Fnova top quality power-coated adds slip-free grip and extra durability, rugged finish  so you can take your Fnova Flask anywhere, on any adventure. Black Matte finish is sleek and durable, making it the perfect travel companion. BONUS A Cleaning Brush WITH 100% SATISFACTION GUARANTEE - This water bottle comes with a brush for easy cleaning,and If, for whatever reason, you don't absolutely satisfy with Your Fnova water bottle, just contact us to return it, and we'll refund every penny (or replace it, if there is a problem).