Come and see our amazing products. Sport water bottle are made of 304 stainless steel, safe and reusable, the vacuum technology makes the cup no swewater bottle adopts advanced triple wall vacuum insulation technology, features a longer lasting insulation effect, can keep beverages cold for up to 12 hours, hot for up to 12; It is a necessity for you to keep your water cold or hat when you are in the outdoorat, even if the water bottle cup is filled with hot water.Wide Mouth and Portable Design. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.