Customized Sports Bottles, Kai 28 oz Tritan Water Bottle - BPA Free & Silicone Grip, The Kai 28 oz capacity water bottle has a durable Tritan body, stainless steel screw-on lid with integrated lid strap, and matching colored silicone grip for a slip-free feel. Unscrew the lid to this bottle and never fear losing it as you hike, camp or enjoy a tough workout at the gym. Fits most car drink holders. BPA free and FDA compliant. ... #KW2726 $7.86/each.