Product Description BEER FAUCET:Tapping beer easily at any time and any where without removing cap. PATENTED UNIQUE DESIGN BEER SPEAR:Growler dispenser can keep seal automatically when brass faucet and CO2 regulator removed. 18/8 STAINLESS STEEL:Made with kitchen-grade stainless steel, so they're puncture- and rust-resistant. DOUBLE-WALL VACUUM INSULATION:Keeps cold drinks cold and hot drinks hot until the last sip. OVER-THE-NOSE TECHNOLOGY:Extra-wide opening for easy loading, drinking, and cleaning. TRIPLEHAU CAP: 1. The 100% leakproof insulated cap with a 3-finger grip. 2. BPA free. 3. Vacuum insualted.