PRACTICAL COMPANION: Enjoy a variety of beverages with this durable tumbler, which comes with a Press-In Lid. The double-wall vacuum insulation keeps drinks cold or hot for hours. Its sleek design fits most cup holders. SPLASH PROTECTION: Practical design with splash protection and sustainable construction: the durable build made from high-quality 18/8 stainless steel, the lockable Press-In Lid, and the slim design make this tumbler your daily go-to. IDEAL DRINKING TEMPERATURE: Our double-wall vacuum-insulated tumbler keeps beverages cold for up to 24 hours and hot for up to 12 hours. The TempShield technology prevents condensation and heat transfer to the outside. STACKABLE AND DISHWASHER SAFE: Our reusable and eco-friendly tumbler features a stackable design for easy transport and storage. SATISFACTION GUARANTEED: We offer a lif etime warranty against manufacturer defects. HYDRO FLASK stands behind our durable and robust materials and is committed to high standards.