This a great addition for any Queen breeder able to hold up to 40 cells this compact unit readily fits many of the small incubators comonly used in the industry. The internal foam is able to be left insitu or removed, and for those short journeys and time periods required to get to cells to apiary. No more cell moving around in sawdust to tranport them to the apiary.  Offering good insulative properties prior to inserting cells into hives, this is a great short term solution that reduces Queen cell distrurbance from the incubator to the hive.  Price includes Postage, Handling, Insurance, Online surcharges and GST.