nylon Nylon lining Drawstring closure Machine Wash STRONGEST & PRACTICAL : These reusable grocery bags are made of 100% ripstop nylon, with reinforced triple stitching all throughoutThis bag's features make it the strongest and most handy bag in its class . Draw-String can resize, protect your privacy, and prevent items from scattering. MULTIPURPOSE: This bag is ideal for use as a multipurpose bag . It is convenient for supermarket shopping, lunch and snacks,market grocery shopping, traveling ,moving house etc. EASY TO CLEAN: These reusable bags made of 100% ripstop nylon and completely machine washer safe. Besides, the surface local stains can also be easily cleaned with a wet towel, saving time and fast speed to go out. ECO-FRIENDLY : Eco-friendly manufacturing, quality design and made of durable fabric that is lightweight, washable and very strong.As long as you don't lose it, it will last you a long time.