Constructed of recycled stainless steel for sustainable sipping . our 40 oz Quencher H2.0 offers maximum hydration with fewer refills. Commuting . studio workouts . day trips or your front porch?you?ll want this tumbler by your side. Thanks to STANLEY?s vacuum insulation . your water will stay ice-cold . hour after hour. The advanced FlowState lid features a rotating cover with three positions: a straw opening designed to resist splashes while holding the reusable straw in place . a drink opening . and a full-cover top. The ergonomic handle includes comfort-grip inserts for easy carrying . and the narrow base fits just about any car cup holder.