NOMAD 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. 2 LIDS: YES, the Nomad Tumbler comes with TWO insulated lids. A Splash Proof Straw Lid with 2 Straws, and a Leakproof Flip Lid. FUNCTIONAL DESIGN: The powder coat exterior finish is a classic. It assures that you stand out with a very durable and elegant bottle. Our logo is now LASER ENGRAVED to assure the quality as well. 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! CUP HOLDER-FRIENDLY: Nomad tumblers in sizes 16 oz, 20 oz, 24 oz & 28 oz fit in most cup holders.