Size: Chest 36-42cm(14-17in) * neck 24-36cm(9-14in), the size is adjustable and convenient. The entire product is black with smooth lines, complete interpretation of the mysterious and cool bats. The material is black felt cloth, light and had no sense of restraint for the cat. User-friendly design makes your pet more cute, stylish and different. Full of Christmas And Halloween atmosphere. Great for Halloween, Birthday Parties or Any Event Where You Simply Want to Have Fun. Please don't forget: your pet love Halloween too!