-Hot and bothered dogs will be instantly refreshed by the Ancol Pet Cooling Vest -The vest can be plunged into water and put onto a hot dog to reduce the risk of overheating -This simple but effective process can be repeated whenever the vest dries out to keep your dog cool, happy, and healthy on hot days -The vest has a belly strap to ensure a snug fit. -Various Sizes available: XS: Length 25cm / Girth 50cm MAX S: Length 30cm / Girth 60cm MAX M: Length 40cm / Girth 70cm MAX L: Length 50cm / Girth 80cm MAX XL: Length 60cm / Girth 90cm MAX XXL: Length 70cm / Girth 100cm MAX