Most products on the market are made of nylon or polyester fabric. Their thickness and durability are usually measured by the coating fabric. For example, a canopy made of 300-denier fabric will be thinner and less durable than 600-denier. If it is made of high-quality fabric, it will resist tearing and withstand well in windy environments. Fabrics with a high yarn index mean more structure, weight, and cost

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