Head Circumference:14'-19'.Please measure the size of your dog before placing an order. Suit for Kids: Both the Kids and dogs can wear. Have close relationship between the pets and family members. Elastic band with plastic buckle can adjust to keep fit. Antler length:4'.Soft and lightweight. Perfect for birthday,weekend parties,holidays and even daily dress up. Monster appearance,cute enough to increase festive atmosphere. Fun,pet accessory for the holidays!