This package contains 500 pieces of brand - new brown plastic queen rearing cell cups, essential for beekeeping enthusiasts. Made from high - quality plastic, they are durable, wear - resistant, and not easy to break or age, ensuring long - term usability. With a smooth surface, they are not only attractive but also practical, perfectly suited for queen bee rearing. Crucially, they are odorless, non - medicinal, and non - toxic, allowing beekeepers to use them without worry. The cups simplify the queen rearing process, as they are easy to use and eliminate the risks associated with grafting, while also ensuring larvae are at the correct age for successful queen development. Each cup measures approximately 1x1cm, and the entire bag weighs around 137g. Please note that due to manual measurement, there may be a 0 - 1 inch error, and color may slightly vary from photos due to monitor calibration differences.