Do not wash the waterproof textiles too often;
Better to do the laundry by hand washing to protect the fabric;
Gentle washing for machine washing;
Do not use strong detergent and softner;
Avoid hot water washing. Cold water or warm water is recommended;
Ironing the waterproof textile in low heat;
Air drying is recommended;
For removing oil stains, using dish detergent by hand washing at first. And then washing the water resistant textile in water following the above tips.