Set of 25 bags per offer (select larger sets below for bulk discount). Microporous filter patch allows contaminant free gaseous air exchange. Ideal for spawning grain, sawdust, or straw. In many cases the bag can be used as a fruiting container. New model filter design allows bags to be presealed before sterilization. Measures: 18" high * 5.5" wide * 4" deep.

Bag model now features a thicker 3mil wall. Standard bags from other sellers are 2.5mil. Please note that case size has been reduced to 800 bags.