Features the Urban Peak 28 oz Flux Trail Water Bottle (SL266PR) packaged inside the Urban Peak 46L Waterproof Backpack/Duffel Bag (BG349) Rugged, convertible backpack/duffel bag constructed from waterproof 500D PVC Tarpaulin material Drinkware features Stainless Steel, dual wall copper-lined vacuum insulation with powder-coat finish, Stainless steel bottom, and a leak-proof, twist off cap 1-year limited warranty