IRON °FLASK Insulated Rover Tumbler w/Lid & Straw - Leak Proof & Stainless Steel

24 oz ROVER TUMBLER: Goodbye sweat! The double wall insulation makes the Iron Flask Tumbler sweat-free! It keeps your drink COLD for up to 20 hours, and HOT for up to 5 hours (depending on size). Our tumblers fit in most standard cup holders. 18/8 PREMIUM STAINLESS STEEL: Iron Flask is made of 18/8 Stainless steel that is BPA free and non-toxic. It will never leave a metal taste or rust. HAND WASH ONLY WITH SOAPY HOT WATER! BUILT-IN COASTER: Rover tumblers have a rubber bottom that makes them slip-proof, noise-proof and even more durable.