Prepare your target audience for adventure or a day at the beach with the Explorer 17 oz. Vacuum Stainless Steel Water Bottles. The 9″ H x 2.75″ W silver bottles are BPA free, and their double-wall vacuum insulation will keep drinks hot for up to approximately six hours or ice-cold for up to approximately 12 hours. A spill proof screw-on cap is included. These bottles make wonderful handouts at tradeshows, health and fitness expos, gyms and other places where those who live active lives tend to congregate.