J.T. Industries bird seed catcher is an easy way to eliminate bird mess. With birdie bloomer seed catchers, bird owners can have cleaner, healthier environments around the bird cage while getting rid of unwanted bird mess. These elastic seed catchers completely enclose the bottom of the cage without the use of hooks or wire supports. The elastic band allows the catcher to adjust plus or minus 1 to 2-inch the dimensions for easy installation. They are completely washable and designed to fit most cages. Measures 12-inch width by 18-inch length.