Double-walled stainless steel vacuum bottle

Double-walled stainless steel vacuum bottle - Utilizing double-walled effective heat-locking technology, it can continuously keep drinks hot for 24 hours. Lightweight and compact, it features vacuum insulation, a 304 stainless steel inner liner, and is heat-resistant, preventing the release of harmful substances. It provides 24-hour all-weather insulation and has a silicone sealing ring for leak-proof insulation; it won't leak even when inverted and shaken. Comfortable to hold and easy to use, it is available in multiple colors and is suitable for promotional activities for groups of all sizes.