Dogit Style Wild Stripes Medium Adjustable Nylon Collar with Plastic Snap, 5/8-Inch by 12-Inch to 18-Inch, Purple Adjustable Nylon Collar with plastic snap; Durable Smart collar construction Matching leashes available (separately) Measures 5/8-inch width and adjusts from 12-18-inch around Wild Stripes Design, Purple Nylon