How to use waterproof bags

How to use the waterproof bag:
1. Put the items you need to be moisture-proof and waterproof in the bag.
2. Fold the sealing seal three times or more in the forward direction and insert the socket on the opposite side to ensure the maximum waterproof effect.
Precautions:
(1): The waterproof effect can only take effect after being rolled three times in the bag mouth in the forward direction! (2): Before placing the storage bag, pay attention to whether there are sharp objects on the contact surface. Do not store goods in contact with sharp objects!
(3): This product is not suitable for full immersion in water or diving.