The Camelbak Chute Mag Vacuum 0.6L has double-wall vacuum insulation and is constructed in durable 18/8 stainless steel with a sweat-proof powder-coat finish, keeps drinks cold for hours. The cap features an easy carry handle and a magnetic top that stows securely out of the way when open and is leak-proof when closed. Universal cap is compatible with Eddy +, Carry Cap, Pivot Bottle, and Hot Cap vessels. Lightweight, durable, and dishwasher safe. BPA, BPS and BPF free.