Made of Acrylic Fabric,Soft and Comfortable.Ideal for dogs Christmas parties, birthdays, family photo shoot or play date.Best as your pooch's Christmas Santa gift.Hat includes adjustable cotton chin cord; scarf with loop closure easy put on and off. Size: hat diameter 3.2" Stretchable(laying flat); Small scarf adjustable max size: 13" long, 2" wide, suitable for small cats dogs.Size: hat diameter 5.6" Stretchable(laying flat); Medium scarf adjustable max size: 18" long, 2.5" wide,suitable for small/medium pets.Size: hat diameter 8" Stretchable(laying flat); Large scarf adjustable max size: 23" long, 3" wide, suitable for medium or large dogs.