Material: Oxford cloth + aluminum film 2. Weight: 97g 3. Packing: OPP 4. Dimensions: 15x23x15cm 5. Can be folded and stored during free time to save space 6. Insulation aluminum foil inner film, let the taste of home accompany you 7. The thickened design of the hand strap makes it easy to handle 8. Due to different batch and measurement methods, the data is slightly inaccurate