Come and see our amazing products. This is a classic stainless steel flask thermos, with best stainless steel inside layer, which is more corrosion resistant than the ordinary stainless steel (304), it is safe to hold a wide range of cold or hot beverages, keep cold or hot up to 12 hours. The lid can also be used as a small cup, ideal for travel and camping. Non-slip bottom, non-toxic, No metal taste or rust. Large print size, very suitable for brand promotion. Customized Logo Pls confirm with us about the packing info, stock color and exact production time before placing your order.