Compact design. Stashes in pack. Vacuum insulation. Keeps hot/ cold 15 hours. Protective double wall construction. Takes a beating still performs. Insulated lid. Doubles as 8oz drinking cup. Leak-proof stopper. Locks it in. Turns + pours from front/back. Stainless steel. Built tough. No liners/ coatings. Rustproof finish. Withstands weather and wear ICONS: Leak-proof. BPA-Free Lifetime Warranty