Register
These 8" x 5" x 19" filter bags from Unicorn Bags are often used with substrate for mushroom production and holds about 5 pounds of substrate. These bags are manufactured with equipment that Unicorn Bags have designed and with proprietary additives, Unicorn Bags are pliable at any temperature as well as after sterilization. This side-gusseted breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. The opening is designed for easy sealing and the bag's bottom seal can withstand agitation.