The is designed to keep your dog comfortable and cool. Made with flexible PVC foam, the vest features a breathable mesh underbelly to let water out, so your pet dries quicker. The bright color and reflective strip make it easy to spot in the water. Three adjustable belts with quick-release buckles provide a secure fit, and the handler's strap allows easy recovery. table, th, td {border: 1px solid black; border-collapse: collapse;}th {text-align: left;}th {padding-left: 6px;}td {padding-left: 6px;} Sizes Weight Body Girth XS 7-12 lbs. 15"-19" S 13-20 lbs. 17"-22" M 20-50 lbs. 21"-30" L 50-90 lbs. 30"-37" XL 90 lbs. and up 36"-44" Reflective strip for easy visibility Adjustable belts with quick-release buckles Handler's strap for easy recovery | Nylon Pet Life Vest