Smart Bottle with Temperature

4-layer temperature for more durable insulation，24 hours of long-term heat preservation.High-density protection of the current temperature, heat conservation in all weather and cold preservation.Seamless 304 stainless steel lining at healthy temperature, say goodbye to the traditional sewing welding lining, healthy and safe.A large capacity of 500m is enough to go out. Small body, large capacity, about 2 bottles of small mineral water, easy to carry.Food grade silicone rubber ring to seal waterproof cup lid, 360° sealing, no water leakage.Specifications: Thermos Material: Stainless SteelThermal Insulation Performance: 6-12 hours