TECHNOLOGY: Double wall vacuum insulation TempShield(TM) protected sweat-free finish keeps hot beverages hot up to 12 hours and cold drinks cold and refreshing for 24 hours Made from extra durable 18/8 pro-grade stainless steel that ensures pure taste and no flavor transfer BPA free and phthalate-free FEATURES: Hydration bottle for the gym, trails and everyday use Large, wide mouth design opening Durable, Color Last(TM) powder-coated design Stainless-steel collar and curved bottom-edge radius for updated look Dishwasher safe Fits most backcountry hydration filters Also compatible with Hydro Flask(R) Hydro Flip Lid and Wide Mouth Straw lid SPECS: Capacity: 40 oz. Volume: 1,182 mL Mouth Diameter: 2.26 in. Dimensions: 3.58 in. W x 11.2 in. H Weight: 17.6 oz. Style: W40BTS