Material: high-end environmentally friendly nylon
Inside: Environmental PEVA +13 mm thicker insulation cotton
Size: 31 * 27 * 19cm
Weight: 440G
color: green,red

Features:
1.One-piece seamless liner
2.100% leak-proof
3.super-thick 13mm insulation layer
4. liner high toughness
5. foldable, upright
6.Heat retaining time: about 3-4 hours (the heat of the food, the more the longer the holding time)
7.Cold preservation time: about 5-8 hours