This is a pack of 100 count fully colonized wood dowels. The wood dowels are 5/16 spiral cut. Colonized wood dowels are used to inoculate wood logs, stumps, dead trees, etc. Pink Oyster is a warm weather mushroom and cold temperatures will kill it. If your in a colder climate your logs will need to be brought indoors over the winter months. To store these wood dowels keep in cooler room temps. We do recommend you use them as soon as possible to preserve freshness of the culture. You will receive 1 x bag with 100 colonized wood dowels. Full instructions come with your purchase.