Our unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure Product Benefits TempShieldâ„¢ insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours Durable 18/8 Pro-Grade Stainless Steel construction Our Wide Mouth refresh features a stainless-steel collar and curved radius at the bottom edge for an updated look BPA-Free and Phthalate-Free Dishwasher safe Compatible with our Hydro Flipâ„¢ Lid and Wide Mouth Straw Lid Registered trademark symbol has been removed from logo and wordmark Lifetime Warranty,2.91" Diameter,2.26" Mouth Diameter,8.9" Height,12 oz Weight