Dimensions: The size of the Perfitel bird cage cover is 18.5inches / 47.5cm long x 14.5inches/ 36.5cm wide x 36 inches /90cm high suitable for18.1Lx14.1Wx36H bird cages. High-quality fabric: Perfitel good night birdcage cover uses breathable, durable and non-toxic nylon twill shading fabric. It can block more than 90% of sunlight and ultraviolet rays. The edges of the bird cage cover are neatly seamed and have a beautiful appearance. Unique Design ：The bird cage cover can be opened in three ways according to personal preference and specific usage scenarios. For the specific opening method, please refer to the product details picture.