1. Ironing: Ironing is likely to be the main cause of waterproof film detachment, please try to avoid ironing as much as possible. If it is necessary to iron, please place a thin cloth at a temperature below 100 degrees Celsius before operating;

2. Washing: To avoid damaging the waterproof film during washing, the waterproof zipper must be closed before washing. Do not wash with hot water. When airing, please let it dry naturally;

3. Dry cleaning: The dry cleaning conditions for waterproof zippers are likely to be different from those for clothing fabrics. All users who use our company's waterproof zippers should confirm in person before using them;

4. Color diffusion (pollution): Waterproof zippers are prone to chemical reactions with the surface of PVC and PU peritoneum, which is likely to contaminate the fabric of clothing. Please confirm in advance before use if contamination occurs, and use isolation cloth between the fabric and the waterproof zipper before sewing;

*Attention: When using red and black waterproof zippers with bright white fabric, isolation cloth must be used between the two before sewing, especially when the fabric is coated with PU and comes into contact with the waterproof film on the waterproof zipper. Isolation cloth must be used before sewing.

5. Finished clothing packaging: To prevent the color on the zipper from spreading to the internal fabric of the clothing during transportation, please use thin packaging paper between the clothing and the interior of the clothing during packaging;