Come and see our amazing products. The vacuum double-layer insulation can keep drinks hot and cold for a long time, cold for 24 hours and hot for 12 hours.Our sublimation sports water bottle is made of 304 food grade stainless steel, which is safe,environmental friendly, durable and not rusted.It is very suitable for outdoor events such as mountain climbing and hiking,as well as daily commuting and learning. Pls confirm with us about the packing info, stock color and exact production time before placing your order.