This is special product for beekeeping, suitable for most boxes, swarm boxes and mating boxes. It is designed to adjust the size of the tap-hole in to keeps mouse or other . The product is for controlling access to the entrance of beehives. Features - ColorAssorted Color - Material: Plastic. - Size: About 6.8 x 6.8 x 0.5cm. - The package includes 5pcs white beehive box entrance gates, 5pcs green beehive box entrance gates, and 5pcs yellow beehive box entrance gates. - The beehive box inlet tray is placed on a box with a round inlet hole. - The design adjusts the size of the holes in to protect from mouse in autumn and winter. - Rotation controls the entrance of the beehive into the tray. - It is very convenient to use. - Suitable for strip-top beehives, corrections, and mating beehives. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 15 Gate Discs