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