(Product Features) Stylish square shape main compartment with mesh pocket and key hook Front zipper pocket Compact yet has a gusset for storage more than it appears Shoulder belt is removable, recommended for outdoor activities such as daily and camping, and travel sub bags; Capacity: 2.6 gal (2 L); Material: Shell 1: 600D SUPER PU (100% polyester), Shell 10 color), Shell 168. 0D (1 polyester. 00%) x Shell 2: 600D (100% polyester) (011 color), Shell 1: 600D (100% polyester) (012, 013 colors) Weight (approximate): 5.6 oz (160 g).