Come and Check Our Branding Solutions.This is a classic stainless steel flask thermos, with best stainless steel inside layer, which is more corrosion resistant than the ordinary stainless steel, it is safe to hold a wide range of cold or hot beverages, keep cold or hot up to 12 hours.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 check inventory and detailed info before placing your orders.