Plastic royal jelly cups for direct brood transfer without the need for an additional royal jelly cup. There is a fastening part on the top that allows the RJ cup to be easily attached to a wooden strip. Available in all five annual colors

Bag with 10 pieces

white, is placed over queen cup holders, protective blocks or queen cups and is suitable for various queen rearing systems.
Size of opening without lid:
- Ø inside: approx. 1.7 cm
- Ø outside: approx. 2.1 cm

10 pieces

Standard-size frames with two removable breeding slats for direct mounting of Bieno^®Plastqueen cups Art. no. 4830, 4834 and training cages Art. no. 4965.