||Canvas is an extremely heavy-duty woven fabric normally used for making sails, tents, backpacks and other items. It is also used in such fashion objects as handbags and shoes. Canvas is rugged, durable, waterproof and has a good fire safety features. Applicable to all kinds of handbags, shopping bags, gift bags, advertising bags, paper bags and more. The general thickness is from 8oz to 12oz. The most important is canvas bags can be taken from the natural degradation.