The kit contains high-quality rye grain berries, and a fast-growing dung-loving substrate blend for large yields. With easy-to-follow instructions. Grow Dung- Loving mushrooms in any room of your home. Grain bags feature a 0.2 filter with injection port and sterile indicator strip. Includes grain spawn bags, dung loving substrate, monotub, liner alcohol prep pads, a pair of nitrile gloves and a free stickers (stickers vary). This growing kit is perfect for anyone who wants to grow mushrooms like magic in the comfort of their own home.