Come and see our amazing products. The double wall insulation makes the Iron Flask sweat-free. It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours. Iron Flask comes with different 100% LEAK PROOF lids. Spout Lid, Flip Lid with a Handle, and a Stainless Steel Lid. The stainless steel lid is plastic from inside and stainless steel from outside* 18/8 PREMIUM STAINLESS STEEL: The Iron Flask is made of 18/8 Stainless steel that is 100% BPA free and non-toxic. It will never leave a metal taste or rust. 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 highest quality. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.