Come and see our amazing products. The double wall insulation makes the Iron Flask Retro Bottle sweat-free. It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours. The 12oz keeps cold up to 18 hours and hot up to 5 hours. Please note that the 25oz Retro bottle does not fit in cup holders. 100% leak-proof.It is sweatproof,Durable,Unbreakable, odor, smudge, and rust resistant, non-toxic, No metal taste or rust, BPA free. It is a great choice for outdoor entertaining or traveling. Pls confirm with us about the packing info, stock color and exact production time before placing your order.