New Item! High performance dog flotation device for boating, water sport adventures and activities with dogs. Provides flotation and ultimate buoyancy. Bright, stylish color combos make for easy visibility. Design allows for fast size adjustments, and a flexible comfortable fit. Available in five sizes to fit most dogs. XS fits 15" to 19" girth (chests) and is 9" long for pets up to 18 lbs., Small fits 19" to 24" girth and is 12" long for pets 15 to 25 lbs., Medium fits 22" to 29" girth and is 14" long for pets 20 to 50 lbs., Large fits 26" to 35" girth and is 17" long for pets 40 to 70 lbs., and X-Large fits 31" to 42" girth and is 20" long for pets over 70 lbs.