120lbs Sterilized (Rye, Oat or Wheat) Grain Bag with Injection Port (40 x 3lb bags)

  

Perfect for the backyard mycologist or stay-at-home student. 40 x 3lbs of sterilized rye or wheat grain.

18 x 5 x 4 pp gusset style bags. Please specify which sterilized grain you would like for your bags.