DURABLE. Made with lightweight waterproof and tear resistant polyester fibre material.Great tenacity and feel,bearing more than 100lb. You can use it for many different events as it expands to a good size and when you do not need it, you can fold it up into a pocket as the picture show for easy storage; Greatly save space after folding, easily carry with your flight after expansion All of the stitching is clean and solid; smooth double zippers; strong designed and comfortable handle; Nice sized zippered pocket in front, and it can be placed on the luggage High Quality Waterproof and Tear Resistant Unique Durable Nylon Material, light-weight but well made; Both hand and machine wash, bleach is forbidden, low iron if necessary This Travel Foldable Waterproof Tote Bag is perfect for gym, sports, travel, luggage, on a business trip, hiking, camping, house-moving or emergencies, and it can be used as carry-on bag, checked bag, weekend bag, airline bag.