Flask, Thermos, Stainless Steel Vacuum Flask manufacturer / supplier in China, offering 40oz Tumbler with Handle and Straw Stainless Steel Vacuum Insulated Metal Travel Mug, 32oz Owala-Termo Straw Insulated Tumbler for Outdoor Camping Sport, 2025 New Owala Insulated Stainless Steel Water Bottle with Straw and so on.