Material: Made of high-quality Oxford cloth + aluminum film, leak-proof and insulated, is a good partner to go out, work, school, camping, etcDesign: double-layer design, the upper layer is placed on the fruit snack to keep , the lower layer is placed in the lunch box to keep warm, long-term warmth to the stomach and warmer the heart, adding of warmth to your lifeWide application: not only suitable for school, work, dormitory use, but also suitable for travel, camping and other moments, light and convenientsize: 23 x 15 x 24cmMaterial: Oxford cloth + aluminum filmcolour: Navy bluePackage Contents: 1 x Lunch BagOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.