Material: 2.2 mil polypropylene. Bag size: 8 x 5 x 19. Filter pore size: 0.5 microns. Unicorn mushroom bags are the industry standard when it comes to top quality mushroom filter patch bags. This bag is 100% autoclavable and pliable at any temperature.
The side-gusseted breathable bag is designed to stand sturdy while filling, is foldable, and can easily be sealed. This item is made of polypropylene.