The sachet is made of a dirt-resistant fabric. It has a detachable, adjustable strap. The sachet has one compartment closed with a zipper, in which there is one open pocket and one closed with a zipper. There is the Big Star logo on the front. Be sure to check out our entire collection of BIG STAR handbags and backpacks. Dimensions: Width - 19 cm Height - 24 cm Thickness - 7 cm