Screw-top lid with straw stopper allows safe sipping without leaks or splashes. Double-wall vacuum insulation keeps your beverages refreshingly cold all day. Ceramic interior prevents odors, oils, and metallic or “old penny” taste. Slim 77 mm diameter fits comfortably in your hand and most car cup holders. Compatible with Move and Slide lids, easily transforming your tumbler for any sipping style. Made from 18/8 stainless steel, BPA-free lid, Tritan straw, and available in six eye-catching colors.