JZHY Dog Life Jacket Safety Clothes Swimming life jackets Swimwear with Adjustable Belt for Dog Pet Size:XXS,XS,S,M,L dog life jacket Adjustable nylon straps and quick-release buckles. Handle on top for quick and easy grabbing. Compare measurement to the Size Chart in the picture. Heavy-duty yet more comfortable velcro fastening system around the belly and neck to keep securely fastened