Come and see our amazing products. The utility model has the functions of heat preservation, reasonable drinking port size, bouncing drinking water switch and comfortable drinking. Adopt food grade silica gel sealing ring, safe for drinking. The bottom of the cup is made of rubber antiskid material, which has antiskid and stable effect. The liner is made of 304 stainless steel, which makes the insulation more durable. Pls confirm with us about the packing info, stock color and exact production time before placing your order.