want to protect your pet dog when swimming and boating? want a portable life vest? , ! Our vest must meet your needs, it's made of , and it's comfortable for wearing, and the careful design greatly improves the safety and practicality of life vest. Features -Material: nylon -Size(S): 27.00X20.00X3.00cm/10.61X7.86X1.18in back length: 27cm/10.63in chest circumference: 42-52cm/16.54in-20.47in neck circumference: 30-35cm/11.81-13.78in Suggested weight: 3-4 kg -Size( ): 33.00X25.00X3.00cm/12.97X9.82X1.18in back length: 33cm/12.99in chest circumference: 52-62/20.47in-24.41in neck circumference: 38-45cm/14.96-17.72in Suggested weight: 4-11.5 kg -Size(L): 40.00X28.00X3.00cm/15.72X11.00X1.18in back length: 40cm/15.75in chest circumference: 60-70cm/23.62in-27.56in neck circumference: 45-50/17.72-19.69in Suggested weight: 11.5-17.5 kg - Adjustable size, it can meet most sized dogs, easy to put on or take off. - Highlighted color makes it easy to see the position of your pet. - Compact size, portable and lightweight, easy to carry around and use. - You can buy it as a present for your pet, show them your love and concern. - Wide application, suitable for pet training, beach, pool, boating, etc. Package list: 1 x Pet Life Vest