Stainless Steel Vacuum Insulated Flask Water Bottle

This black flasks are designed to keep beverages hot or cold for extended periods, typically around 12 to 24 hours, due to their double-walled vacuum insulation.

The flask features a stainless steel interior, often made of food-grade 304 stainless steel for durability and safety, and may have an inner coating to enhance temperature retention.

The exterior is designed to be condensation-resistant, preventing sweat or wet rings.

The lid has a leak-proof design, often with a silicone seal, and may have a stainless steel inner core for better insulation.

These flasks are suitable for various uses, such as office, school, gym, travel, and outdoor activities.