Make Your Sweet Puppy Look Like The Dangerous Creature Hethinks He Is With This Shark Costume. This Adorable Dogcostume Features A Polyester Shark Dorsal Fin Attached To Anelastic Band With Velcro Clasps That Fits Around Your Dog'Stummy. A Smaller Band Connects To The Dog'S Collar To Holdthe Fin In Place. Xl/Xxl (Recommended For Dogs 32-185Lbs.)Fits Neck Sizes From 14-26 In, Chest 21-40 In, Back Lengthfrom 18 To 30 In.