Dogit Style Aloha Small Adjustable Nylon Collar with Plastic Snap, 3/8-Inch by 10-Inch- 16-Inch, Yellow Adjustable Nylon Collar with plastic snap; Durable Smart collar construction Matching leashes available (separately) Measures 3/8-inch width and adjusts from 10-16-inch around Aloha Design, Yellow Nylon