The NO! Slip Nylon Collar & 4' Leash Display contains 88 pieces. The display includes 2 each of an assortment of No! Slip and Adjustable collars with Titan buckles and 4' leashes. Refer to catalogue for a full listing of included products. Coastal's No! Slip Martingale Adjustable Dog Collar is excellent for dogs that easily slip a regular collar. The unique limited closure prevents the collar from becoming too tight. These martingale collars are great for dogs whose neck and head are close in size, such as greyhounds. "Coastal reserves the right to ship kits incomplete with no substitutions."