Halloween costumes for pets: Halloween collars and hats for cats and creatures are made from high quality skin-friendly fabrics and materials such as felt, stretch fabrics and bells made of metal. They are soft and comfortable. The fabric is lightweight and breathable and will not cause discomfort to pets. ADJUSTABLE SIZE: These pet decorations, collars and hats are ergonomically designed and adjustable in size to fit your kitten and puppy’s head and neck size, very convenient and easy to wear and take off. Size: hat: about 12 x 15cm/4.7 x 5.9in, head circumference elastic band adjustment range is 20-40cm/7.8-15 .7 inches. Collar height: about 10cm/3.9", collar elastic adjustment range is 7.8-15.7". Adjustable size fits most cats and dogs. However, pets that are too large may not be suitable. Halloween Pet Decorations: Make your pets more attractive and cool on Halloween. Perfect for dog and cat parties, Halloween, makeup parties, birthdays, family photos or play dates. Make your pet