1、[POCKET-SIZE] Volume 5.5oz, size 2.2 x 4.8in, the mini water bottle is perfectly fit in your pocket, purse, and lunch bag. 2、[LEAKPROOF] Brew your favorite coffee on the go. There won’t be any surprise leak. 3、[LONG INSULATION] Double layer vacuum insulated stainless steel bottle and PP material lid with silicone ring sealer keep hot for 8 hours and cold for 12 hours. 4、[DURABLE] Sturdy and odd-free. Won’t break, rust, retain or transfer flavors. It provides a pure and non-metallic taste. 5、[FOOD-GRADE MATERIAL] 304 Stainless Steel, Silicone Sealing Ring, and PP material lid are all BPA free. Pocket size vacuum insulated water bottle; Stainless steel flask; 8 hours Hot & 12 Hours Cold preservation; Leather ribbon handle; Perfect fit for pocket, purse, and lunch bag; BPA Free; Leakproof