It is specially designed for large cage that has "play top" on top of the cage. It is for 18"x18“x61” large cage. Easy to assemble/disassemble, magnetic buckle is used to mount on the cage, which makes installation easy and quick. Breathable materials, 100% non-toxic, with high shading rate. Effectively reduce distractions so to promote better sleep for birds. Large size，Cover size is 33”(H）x 87” (L) ，only for the 61" cage with the play top (Cage size 18"x18“x61”). 100% SATISFACTION GUARANTEE: one-year warranty. You are sure to get 100% quality products as we stand behind our products. Please contact us for any issues.