Zojirushi Tuff Sports Stainless steel Thermos, 51-Ounce Vacuum Bottle Zojirushi began in Japan in 1918 as a manufacturer of hand-blown vacuum bottles. They are still known today for their high quality vacuum insulated products. The superior thermal insulation in this bottle will keep your beverage hot or cold for hours. This 51-ounce/1.5-liter tuff sports stainless steel vacuum bottle has a nonstick interior coating for easy cleaning. Each bottle comes with a removable cup lid, and bonus cup. The fold down handle, disassembled stopper, and removable shoulder strap make traveling easy. Perfect for your next trip or sports event. Stainless steel Double wall thermal insulation Non-stick interior Removable cup lid and bonus cup Fold down handle and shoulder strap make transport simple