The multifunctional pet collar prevents pets from licking wounds after surgery or fighting. If not worn, it can also be used as a pet pillow and decoration. Material: PP cotton padding Size S has a neck circumference of 9-18cm, an inner diameter of 5cm and an outer diameter of 22cm. Suitable for lighter animals over 3 kg Size M, neck circumference 12-25 cm, inner diameter 7 cm, outer diameter 25 cm. Suitable for pets weighing 3-6 kg. Size L has a neck circumference of 15-31 cm, an inner diameter of 10 cm and an outer diameter of 30 cm. Suitable for pets weighing 6-9 kg. XL size neck circumference 19-36cm, inner diameter 12cm, outer diameter 34cm. Suitable for pets weighing 9-14 kg.