Has two protective skid bars and two external pockets for cables and accessories. Adjustable, removable nylon strap, tow handle, four reinforced lift handles, two webbed nylon handles to assist placing case onto sub woofer and a built-in caster plate with four wheels, of which two are fixed for control while transporting. Fits Mackie SWA1501, Nady PSW18, Turbosound TXD-118, Peavey PV118, Behringer B1800X, JBL PRX518S, Peavey PR Sub 15 & many more.