Waterproof fabric 7oz , same as the 4oz fabric, 100% polyester fabric back coated with polyurethane PU inherently treated, this gives the fabric a waterproof barrier resistant to water and block out rain, wide range of uses, outdoor apparel, jackets, raincoats, macks, umbrellas, rain sheets, ground sheets, rainwear, tents, sports clothing, pet clothing, pet bedding, durable and washable at 30c.