Feature 1、 and high quality. 2、For use with the complete queen rearing kit. 3、Made of high quality plastic, durable, non-toxic and safe for bee. 4、Durable, fine craftsmanship, long service life. 5、After put the wax inside the lid, fixed wax cup. Make the king of the cup higher than the lid of the mouth. when the workers' bite make the cup become thin, put the honey sponge in the care of the king cage to the lid below, when the king go out there wi Features: and high quality. For use with the complete queen rearing kit. Made of high quality plastic, durable, non-toxic and safe for bee. Durable, fine craftsmanship, long service life. After put the wax inside the lid, fixed wax cup. Make the king of the cup higher than the lid of the mouth. when the workers' bite make the cup become thin, put the honey sponge in the care of the king cage to the lid below, when the king go out there will be able to eat honey. Specification: Condition: Color: White Material: High quality plastic Height: 7.8cm Diameter: 2.6 cm Package Included: 50 x Roller cages 70 x Roller cages 100 x Roller cages (Optional) Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.