Double-wall vacuum insulation keeps drinks cold for 7 hours or iced for 35 hours in this half-gallon tumbler that's perfect for athletes or adventurers.What it does: A rotating handle, ergonomic design and leakproof lid make it a win-win no matter where you take it. The lid features a rotating cover with three positions—an opening for the reusable straw, an opening for sipping and a full-cover top to prevent splashes.Additional features: The always-reliable Quencher is designed to comfortably fit any cup holder. The rugged handle and built-in fence hook provide portability and convenience.Sizing information: 2 lb.; 5.5"L x 5.8"W x 9.7"H; holds 64 oz. BPA-free 18/8 stainless steel Dishwasher safe Imported