The 18oz Icon™ Tumbler from Thermos® keeps drinks cold for up to 20 hours and hot for up to 5 hours using double-wall vacuum insulation. The slide lock lid is commute-ready for iced coffee, hot tea, or water. 18/8 BPA-free stainless steel body with a sweat-proof, condensation-free exterior. Griptec™ non-slip base. Fits most standard cup holders. Personalizable with custom laser engraving — a popular choice for gifts. Specifications: 18oz capacity | Double-wall vacuum insulated | 18/8 BPA-free stainless steel | Keeps drinks cold 20 hours, hot 5 hours | Sweat-proof exterior | Griptec™ non-slip base | Cup holder compatible Explore the full Icon™ Series , shop best sellers , or add laser engraving .