Drawstring closure 10PCS drawstring bag 2colors black and blue;They made of polyester easily washable, recyclable and durable. Specifications: the drawstring bag measures approx. 43 cm/ 16.9 inches in length and 34 cm/ 13.4 inches in width, normal size and suitable for most kids and adults. Drawstring Design: 2 straps each side, Can be a backpack, drag the string to close the bag, and drawstring design allows you store things quickly and take them in and out easily, universal lightweight, reduce your shoulder burden, you nearly can??t fell its weight. Wide ranges of usage: can serve as a traditional backpack, gym bag, travel cinch bag, also can provide as bags when you go to schools and supermarkets, suitable for home storage, with drawstring, can hold the inside items well. Water resistant- Protect your items in style. drawstring bags are woven with 210D Polyester giving you a protective shield to keep your items dry.