3. The inner aluminum film material has leaked soup, which can be easily wiped with a paper towel
4. Two-way zipper with two-way opening and closing, easy to use
5. Removable strap, removable hard plastic buckle, easy to carry
6. Keep it warm for about 4 hours at room temperature, keep it fresh for about 8 hours at room temperature, and keep it cold for about 4 hours at room temperature
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Product specification:
1. Material: cationic oxford cloth+pearl cotton+aluminum film