Come and see our amazing products. The bag is made of Polyester which is durable and withstands daily wear and tear. Front large zipper pocket is perfect to keep odds & ends handy without digging thru the entire bag. Draw string closure makes you store things quickly and take them in and out easily. Being washable is a must for any drawstring sports backpack. The sacks are machine washable, recommend mild detergent and hang to dry. Customized logos are welcome. Pls confirm with us about the packing info, stock color and exact production time before placing your order