Waterproof canvas cloth is a type of fabric that is treated or coated to be resistant to water. It is commonly made from a blend of cotton and synthetic fibers, such as polyester or nylon, to provide strength and durability. The fabric is coated with a waterproofing agent or treated with a chemical finish to make it waterproof.

Waterproof canvas cloth is commonly used in outdoor gear, such as tents, tarps, and backpacks, as well as in clothing items like rain jackets and pants. It is also used in upholstery and home decor, such as outdoor cushions and furniture covers.

When shopping for waterproof canvas cloth, it is important to consider the level of waterproofing needed for your specific use case, as well as the weight and durability of the fabric. Additionally, some waterproofing treatments may affect the breathability of the fabric, so this should also be taken into account if it will be used for clothing or other applications where breathability is important.