The multifunctional pet collar can prevent pets from licking wounds after surgery or fighting. If not worn, they can also be used as pet pillows and pet decorations.Material: PP cotton fillingThe S size has a neck circumference of 9-18cm, an inner diameter of 5cm, and an outer diameter of 22cm.Suitable for pets weighing less than 3 kgThe M size has a neck circumference of 12-25 cm, an inner diameter of 7 cm, and an outer diameter of 25 cm. Suitable for pets weighing 3-6 kg.The neck circumference of the L size is 15-31 cm, the inner diameter is 10 cm, and the outer diameter is 30 cm. Suitable for pets weighing 6-9 kg.The XL size has a neck circumference of 19-36 cm, an inner diameter of 12 cm, and an outer diameter of 34 cm. Suitable for pets weighing 9 to 14 kg. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.