[LARGE MAIN COMPARTMENT-The main compartment big space measures 13"(L)x 7"(W) x 19"(H) which is big enough to hold sport clothestowel Etc. LARGE VENTED BALL COMPARTMENT - The front ball compartment is perfect for carrying a basketballsoccer ball. SEPARATE SHOES COMPARTMENT- The side compartment is vented to carry your shoes and keep the stink out and the two sides mesh pockets can carry water bottles umbrella Etc. DURABLLE AND COMFORTABLE- High quality 600D polyester cloth,breathable mesh back and shoulder strap comfortable and practical. MACHINE WASHABLE-Our sport backpack can be Machine Washable to save your time and it dries quickly perfect as for sporter.]