The Circle T black and tan collar/leash combo display comes with 20 pieces. 1 of each color and size collar as well as 1 of each color and width leash. The collars come in 2 colors (black and tan) in 8 sizes, 10", 12", 14", 16", 18", 20", 22", & 24". The leashes come in 2 sizes, 5/8"x4' & 1"x4', also in Black and in Tan. "Coastal reserves the right to ship kits incomplete with no substitutions."