If you require refrigerated shipping, please let me know before purchasing, as the shipping method will be changed. These are not surplus items. This batch of mycelium bottles has been aged for two months with temperature control. Ideal for *Regius*, *Tarandus*, *Golden Stag Beetles*, and *Rainbow Stag Beetles*. Recently, I set up 12 egg-laying sets for *Picard Rainbow Stag Beetles*. Unlike simply stored mycelium bottles, these are specifically for egg-laying sets. Kawara Mycelium Bottles 1100 - Set of 4 I have been successfully hatching nearly 100 *Tarandus* beetles annually. Kawara Mycelium Bottles 1100 are ideal for raising *Regius*, *Tarandus*, and *Golden Stag Beetles*. I can provide guidance on usage and breeding methods. Type of supplies: Larval rearing supplies, mycelium bottles Type of supplies: Larval rearing supplies, mycelium bottles