Adjustable Size: Each pet helmet is approx. 1.57 x 1.77, dimensions are in inches, with elastic on both sides to adjust to the right size, enough space for most small pets like chickens, ducks, birds and other small fowls without easily making them uncomfortable Stuffy; please double check your pet's head size, this product is only suitable for chicks, birds and other pets Good protection for pets: Chicken bird hat headgear can provide shelter for most pets on sunny or rainy days, protect them from direct sunlight and rain, and even reduce the risk of serious head and brain injuries Durable material: Hen Helmet Hat Garment is made of PP plastic with elastic band, not easy to break, can be used multiple times for a long time; Hen Helmet helmet has sponge lining inside, soft to wear, not easy to hurt small pets, provide comfortable wearing experience FUN COSTUME ACCESSORIES: The fun-looking adjustable chicken helmet can easily add an eye-catching look to your pet, grab the attention of others at Halloween parties, Christmas parties, cosplay, beauty pageants, pet themed parties, and more, and also Can quickly help you identify your pet among small animals