It is made of food grade PET material, which has the advantages of light weight, pressure resistance, non fragile, smooth and glossy. The cover is made of PP and aluminum. Crystal clear, the bottle body is solid, full and even, pressure resistance is not easy to damage. Pressure sensitive gasket, aluminum foil gasket and PE gasket are attached in the cover. Enhanced sealing performance, no water leakage. The convex design at the bottom of the bottle is not to be beautiful, but to reduce the pressure on the bottle body and prevent it from bursting. This kind of jar is mainly used in food packaging, cosmetics packaging, and has a wide range of uses.