Flask, Thermos, Stainless Steel Vacuum Flask manufacturer / supplier in China, offering Hot Sale 16oz/20oz/24oz Stainless Steel Insulated Tumbler Outdoor Leakproof Coffee Cup with Straw, Manual Pump for Bottle Water Drinking Water Pump, 40oz Mug with Lid and Straw Stainless Steel Vacuum Mug Tumbler Keep Cold and Hot Leak Proof Travel Coffee Mug and so on.