The Macho Dog Display includes 2 each of the following collars and leashes - 1 " Double-Ply Nylon Collar with Roller Buckle (in 20, 22, 24, 26 & 28" size), 1" Coastal Double-Ply Nylon Traffic Leash and the 30" Giant Chain Traffic Leash with Nylon Handle. The Macho Dog Double-Ply Nylon Collar with Roller Buckle offers heavy-duty strength for extra-large dogs. With two layers of 1 3/4"-wide durable nylon sewn together, this hound-style collar provides extra strength by reducing stress on its buckle. "Coastal reserves the right to ship kits incomplete with no substitutions."