The 11 oz. canvas waterproof fabric is perfect for all types of indoor and outdoor use. This fabric is 600x600 denier 100% polyester and 61/62 wide. The canvas waterproof features a plastic PVC backing with a waterproof coating making it extremely durable and resilient. This canvas fabric can be used for chair pads backpacks cushions toss pillows tote bags heavy duty travel accessories patio furniture boat covers and more. The canvas fabric is extremely versatile in its applications and can be used for mass production or simple upholstery projects.