Unicorn XLS-B Bag Type Mushroom Spawn Bags 500

Box of 500 The best of the best for growing mushrooms. Made of 30mil polypropylene Bag size of 10x5x24 Filter type b Filter size 2x3 5 micron pore size L style filter hole This style of bag is often used with substrate for mushroom production and holds about 10 pounds of substrate. This side-gusseted breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. Unicorn Bags are pliable at any temperature as well as after sterilization. The bag opening is designed for easy sealing and the bag’s bottom seal can withstand agitation.