VACUUM INSULATION Enjoy your hot steamed tea and ice water; keeps drinks hot for 12 hours and cold for 24 hours ULTRA LIGHTWEIGHT: Super thin walls for ultra lightweight design; 1/3 lighter and holds 25% more liquid than traditional bottles of the same size STAINLESS STEEL: Unmatched purity and durability with BPA free 18/8 stainless steel; anti-scratch pad on the bottom to protect all surfaces SCREW CAP - Secure screw cap with lever loop that easily twists and removes (even when wearing gloves); leak-proof seal prevents spills and messes; Convenient buckle for easy attachment Compact design: measures 9.7 x 7.3 x 23.5 cm; weighs only 295 g; volume is 70 ml