Come and see our amazing products. INSULATED SPORTS WATER BOTTLE: Goodbye sweat. 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.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. HAND WASH ONLY WITH SOAPY HOT WATER. Pls confirm with us about the packing info, stock color and exact production time before placing your order