The 40oz Icon™ Vacuum Insulated Stainless Steel Water Bottle — Screw Top from Thermos® keeps drinks cold for up to 24 hours — no ice needed. Double-wall vacuum insulation with a sweat-proof, condensation-free 18/8 stainless steel body. The screw-top lid is leak-proof when closed, making it safe for bags, backpacks, and gym bags. The Griptec™ non-slip base adds stability on any surface. Available in a wide range of colors. Personalizable with custom laser engraving on thermos.com. Specifications: 40oz capacity | Double-wall vacuum insulated | 18/8 BPA-free stainless steel | Keeps drinks cold 24 hours | leak-proof when closed screw-top lid | Sweat-proof exterior | Griptec™ non-slip base | Dishwasher safe — top rack only Explore the full Icon™ Series , shop best sellers , or add laser engraving .