From the product description, check product page for current description, price and availability:

• Package includes : 4 large straining bags; Size: 66 x 56 cm/ 26 x 22 inch, it will hold up to 65 lbs of grain; Bag material: made from 177 μm tightly woven nylon mesh
• Design : large bag with a wide opening and drawstring, easily fits over any jug, jar, food processor or blender for easy filling, very fine nylon mesh lets liquids through, no particulates, debris or solids
• Usage : a multipurpose food straining bag, good for making nut milk, soy almond milk, cold brew, green juice, soup, jelly, grain brewing, fruit wine, brewery
• Reusable and toughly durable : the food grade strainers are easy for daily use, make your own drinks and snacks, pure and healthy food for you and your family, easily cleaned up and fast drying
• Big size filter bag : the nylon strainer bags ensure you to brew even the largest recipes without spilling any grain; Brewing in a bag allows you move to all grain or partial mash brewing easily