A Boomr Bag is a sterilized manure based bulk substrate used to grow any dung loving species of edible mushroom such as Agaricus spp. or Coprinus cometus. North Spore does not condone the use of Boomr Bags to grow any species of mushroom that contains Psilocybin unless they are legal in your jurisdiction. Please note that North Spore's products shall be used only for lawful purposes!