Product Description: High quality double layer stainless steel inner liner with vacuum design, efficient insulation capacity sealing ring, and food grade PP material used along the mouth. The healthy and worry free inner liner surface adopts electrolytic grinding technology to prevent dirt from forming, and the sealing performance of the cup cover and plug is good without dripping; Aesthetic and ergonomic handle design, retractable and portable for easy use; The matte paint process on the cup body is beautiful and long-lasting.