| 摘要 |
A waterproof storage bag comprises a one-end-open bag body and a bag opening at the open end for sealing. The inner surface of the bag opening is a smooth surface, which is made of smooth soft plastic, without any kind of self-adhesive or external adhesive materials on the surface. And, poroelastic material is set inside said bag body. The waterproof storage bag can indicate whether its waterproof function is normal or not.
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