1. Material: thick aluminum foil + oxford cloth 2. Ultra-long heat preservation time, sealed and leak-proof oxford cloth 3. Thicker fabric, waterproof and stain resistant 4. Three-dimensional square design, large capacity, easy to take 5. Oxford cloth fabric, waterproof and dustproof 6. Aluminum foil temperature control, preservation and heat preservation 7. Widened hand-held design, easy to take and not hold your hand 8. Size: small size 20x13x23 cm, medium size 24x14x27 cm, large size 26x16x34 cm 9. Weight: about 100g for small size, about 140g for medium size, and about 180g for large size
