The 4-Pack Yellow Replacement Bee Guards are one of Perky-Pet"s most requested replacement parts. The package comes with 4 bright, snap-on bee guards designed to thwart bees" attempts to drink from your hummingbird feeder. You just snap off a broken or damaged bee guard and snap on the new one, so installation is easy and convenient. The guards fit Perky-Pet 203 and 204 series hummingbird feeders. Perky-Pet Products is dedicated to giving you the very highest quality and performance, so you can be sure their products and accessories are dependable.