Bird Cages Seed Catcher Net Cover Shell Skirt. Mesh seed catcher fits securely around your bird's cage to help eliminate messy seed scatter on your floor. Airy fabric allows for air circulation and does not block out the light so your bird's cage interior remains bright. Heavy-duty top and bottom elastic holds the seed catcher snugly in place and eliminates shifting. Machine washable for easy cleaning.Designed to fit over the cup area of your bird cage.