• High-quality stainless steel thermal bottle, BPA-free and food-safe. • Includes three interchangeable airtight lids: universal, wide-thread, and with a straw. • Double-wall thermal insulation with vacuum layer keeps drinks hot for 12 hours and cold for 24 hours. • Precise closure guarantees total leak-proof performance regardless of the drink's temperature. • Wide opening for easy filling and durable dishwasher-safe material. • High-quality material does not alter the taste or smell of drinks.