Finally, a sleek and stylish bottle that you’ll actually want to tote around! The double-walled, vacuum-insulated stainless steel frame provides unparalleled temperature control for the perfect sip, anywhere. Pure, Clean Taste: Edge-to-edge ceramic coating on the stainless steel frame ensures a pure, clean sip with zero metallic taste Long-Lasting Insulation: Keeps drinks piping hot up to 12 hours and icy cold for 24 hours Built for Comfort: Soft silicone sleeve offers a firm, non-slip grip for ultimate portability and also protects surfaces from scuffs and scratches Stainless Steel, Ceramic and Silicone BPA-Free Dishwasher Safe 16 oz: 3 x 3 x 7 inches 20 oz: 3 x 3 x 9 inches