This 18oz Stainless Steel Water Bottle is made of 304 18/8 stainless steel including lid and straw. Under normal temperature, the insulated tumbler keeps your water hot for 8 hours and cold for 12 hours. The stainless steel cups is crafted with stylish color powder coating, gives you multiple color options. It's cool to touch when filling with hot water and also sweat proof with cold water, always keep your hands comfortable while holding the stainless steel cups.
