Vacuum Insulated: Enjoy your tea steaming hot and your water ice cold; Keeps beverages hot for 18 hours and cold for 32 hours Ultra Lightweight: Super thin walls for an ultralight design; 1/3 lighter and holds 25 percent more liquid than traditional vacuum bottles of the same size Stainless Steel: Unrivaled purity and durability with BPA-free 18/8 stainless steel; Anti-scratch pad on bottom protects all surfaces Screw Top: Secure, screw top cap with leverage loop twists on and off easily (even while wearing gloves); No-leak seal prevents spills and messes; Convenient loop for easy attachment Compact Design: Measures 4.7 x 3.6 x 8.3 in; Weighs just 13 oz. (0.8 lbs); Volume is 33 Fluid Ounces