and Adjustable size: each pet helmet is approx. 1.57 x 1.77, the size is in inch, both sides of it come with elastic bands for adjusting into a proper size, provide enough room for most small pets such as chicken, duck, bird and other small poultry, will not easily make them feel stuffy; Please check the head size of your pet carefully, the product is only suitable for small chickens, birds and other petsGood protection for pet: the chicken bird hat headwear can give a shelter for most pets in sunny day or rainy day, preserve them from direct sunshine and rain, even can reduce the risk of serious head and brain injuriesDurable material: the hens bird helmet hat costume is made from PP plastic with elastic band, not easy to break, can be applied for a long time and many times; The inner side of the chicken hen hard hat has sponge lining, soft to wear and not easy to hurt the small pet, provides comfy wearing experienceFunny costume accessories: the adjustable chicken helmets with interesting appearance can easily give your pet an eye-catching look, draw attention of others in Halloween party, Christmas party, cosplay, beauty contests, pet themed party and so on, also help you to identify your pet among small animals quickly14 Styles: the package contains 14 pieces pet chicken helmets with different cute and cool elements, vivid and lovely, enough quantity to use, replace and share with families or friends who keep small petsAttention.1. The monitor used is not the same, the computer is not the same, the angle of photography is not the same, there may be angle colour problems.2. Pure manual measurement, there may be 0-1cm error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.