Features: This set of queen rearing cups is used for laying eggs to raise queens. Made from high quality plastic, it is non?toxic, harmless to bees. There are 50pcs cell cups that you can use for rearing queens. This kit is quite simple and can produce prolific reliable results. Convenient to use, you can simply put it at the bottom of a hiveframe. Specification: Condition: 100% Brand New Material: Plastic Optional Color: Black, Blue, Red, Orange, Yellow, Green Quantity: 50pcs Size: 19 x 16mm / 0.74 x 0.63" Weight: approx. 41g/1.45oz Package List: 50 x Cell Cups Note: 1. Please allow 1?3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object, please take the real one as standard. 3. The color of the incoming goods will be different. 1This set of queen rearing cups is used for laying eggs to raise queens 2Made from high quality plastic, it is non-toxic, harmless to bees 3There are 50pcs cell cups that you can use for rearing queens 4This kit is quite simple and can produce prolific reliable results 5Convenient to use, you can simply put it at the bottom of a hiveframe