Thickened Aluminum Foil Insulation Lunch Box Bag Waterproof Portable Meal Bag

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