Big training backpack New LogoPitbull West Coast Large Training Backpack NEW LOGO fold out construction made of thick and strong synthetic fabric resistant to abrasions and damage when unfolded, can be converted into a shoulder bag using the detachable strap included adjustable padded shoulder straps can be hidden in a dedicated pocket two very spacious main compartments additional inner zip pocket with mesh divider for small items ventilated bottom compartment for shoes or post