1, heat preservation effect: the red gallbladder heat preservation pot adopts double-layer lead-free copper-plated glass liner, which has good heat preservation effect and can keep the temperature of the beverage basically unchanged within 48 hours. Stainless steel thermos pot is made of food-grade stainless steel, which has good heat preservation effect, generally between 36 hours and 48 hours.

2, the material is healthy: the glass liner of the red gallbladder thermos pot does not contain harmful substances of asbestos, which is healthier. Stainless steel thermos pot has good material, strong wear resistance and long service life.