The fabric of canvas tents - high-density polyester yarn and polyester waterproof fabric - is suitable for various high-end clothing linings such as umbrellas, car covers, ocean umbrellas, luggage, handbags, shower curtains, tablecloths, chair covers, sleeping bags, etc. High density polyester yarn and polyester waterproof fabric are also traditional fabrics of synthetic fabrics. Secondary fabric has high waterproof performance!