The RamblerA(R) 36 oz. Bottle is designed for a life in the wild. Scorching days on the ranch and getting dropped on rough terrain are this bottle's calling, second only to keeping your drinks icy cold, or perfectly hot. Find a color that calls to you - these bottles are available in stainless steel, and DuraCoat(TM) Colors.18/8 STAINLESS STEELMade with kitchen-grade stainless steel, so they're puncture- and rust-resistant.DOUBLE-WALL VACUUM INSULATIONKeeps cold drinks cold and hot drinks hot until the last sip.DISHWASHER SAFEBecause no one needs more work to do.