JZ/BZ Plastic Queen Cell Cups are very popular and easy to use. They fit in the groves in top and bottom bars or in a grafting frame when rearing queens. Made of high-quality plastic they are durable and reusable.
These are used and preferred by queen breeders all over the world. This style of Cell Cups makes preparing cell bars simple. All you need to do is push them into the groove in the bottom of the cell bars and insert them into the frame. This is the most popular cell cup because it is so easy to use!