100% Nylon Universal Bird Cage Seed Catcher – Our birdcage seed guards & catchers fit securely around your birdcage to prevent messy seeds and floating feathers from scattering on the floor. Snug Elastic Fit Design –This bird cage net is ideal for small, medium, and large parrots and other common indoor birds. The bird cage skirt is adjustable to 55” to 100” circumference with 16” top to bottom height, it can fit a wide range of square, round, and oval shaped cages perfectly.