This vest is made of premium materials, which is not only safe and durable for use. Not easy to break or deform, long serving life. Allow for quick drying and proper drainage. The dog offers great buoyancy they need while moving freely in the water. Features -Color: Blue -Material: Oxford cloth, encrypted lining, breathable Size: 21cm/8.26inch(Back Length); 30-42cm/11.81-16.53inch(Bust); 25-35cm/9.84-13.77inch(Neck); 3-7kg(Pet weight) -S Size: 26cm/10.23inch(Back Length); 41-53cm/16.14-20.86inch(Bust); 36-47cm/14.17-18.51inch(Neck); 7-9kg(Pet weight) - Size: 30cm/11.81inch(Back Length); 41-63cm/16.14-24.81inch(Bust); 40-48cm/15.74-18.89inch(Neck); 9-23kg(Pet weight) -L Size: 35cm/13.77inch(Back Length); 50-75cm/19.68-29.52inch(Bust); 42-54cm/16.53-21.25inch(Neck); 23-40kg(Pet weight) -XL Size: 45cm/17.71inch(Back Length); 70-95cm/27.55-37.40inch(Bust); 50-71cm/19.68-27.95inch(Neck); 40kg(Pet weight) - Adjustable size, it can meet most sized dogs, easy to put on or take off. - Highlighted reflective strips make 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 your pet, show them your love and concern. - Wide application, suitable for pet training, beach, pool, boating, etc. Package list: 1 x pet vest