As part of the BUYDEEM insulation series, this thermos food jar has excellent insulation capacity thanks to its 8-layer insulation structure and a double-layer lid, which ensure a long insulation effect last up to 12h, better than 90% of similar products on the market. This jar is perfect for office workers or mothers to carry food from home. This product boasts many fine design details, such as two grooves on the bottle for grip and a leak-proof lid. All parts are made from food-grade materials, so you can use them safely and durably.