Protect the birds in your existing bird house from predators with this Screw-On Bird House Protector. This clever, plastic addition extends the entry of your bird house, keeping nestlings and eggs safe from raccoons, squirrels, cats, and opossums. The wide, base flange attaches to your nest box with a 1" to 1.5" diameter entry using the three included screws, and its all plastic construction ensures a durable piece. A plastic ladder at the base of the unit helps birds access their roost, and texture on the exterior mimics wood for added style. The brown color meshes with many bird houses, and is excellent for year round protection for your birds. Help birds thrive by adding this Screw-On Bird House Protector to your existing nest box. Made in the USA.