This method of queen introduction allows a quiet and natural way, allowing the Queen more freedom of movement but still without allowing the queen to be damaged or feel attacked. Directions for use: Fill the candy area with dry candy. Remove the queen that has to be changed from the colony. Choose a frame of Sealed brood, remove all the bees from the frame and fix the cage over a patch of brood. Introduce the queen through the hole and close it with the caps, the queen will start to lay eggs in any free cells. After 2 days, the candy will have been eaten away and the queen is released to the rest of the hive. Check and remove the cage after 8-10 days from installation. Keep a gap of 1cm between the cage and the other frames in order for the bees to have contact with each other. Specification: Material: Plastic Color: RedYellowWhiteBlueGreen (as you choose) Size Chart: 11.8x13.5cm4.65x5.31inch Package Includes: 5 Pieces Queen Bee Isolator Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!