1000ML 800ML Thermos Cup Vacuum Insulation Cup 316 Stainless Steel Vacuum Flask Thermos Bottle Travel Sport Portable Wat

Features: 1: Negative 316 safe material, hygienic and healthy frosted liner, does not contain manganese, lead and other harmful elements. Safe material, healthy drinking water is more safe. 2: The lid is leak-proof when tilted upside down. The lid leaks when tilted. It has a built-in leak-proof sealing ring. The double seal is more secure. The lid fits the cup body and is easy to carry when going out. 3: The thermal insulation performance of multi-layer technology is greatly improved. The exquisite cup body is designed with multi-layer technology to keep cold and warm, keeping you warm wherever you go.