design makes them easy to handle and fill with oil enough for trapping small hive beetles in up to 6 bee hives The traps have thin slots for beetles to enter and it works by trapping beetles in oil compartment and killing them quickly Easy to secure onto frames, while minimizing disturbance to the hive and still allowing all frames to fit in Safe and natural way to small hive beetles without the use of or chemicals.EASY TO USE: The plastic allows you to check oil levels and how many small hive beetles are caught in the trap. 1 piece design makes it simple to use and add to and remove from the hive., Manufacturer: Bordhap