Our Bigger Better Organic Cotton Cheesecloth Nut Milk Bags are made of 100% GOTS Certified Organic Cotton. Made with unbleached heavy duty organic cotton. they are smartly designed for those who want problem free straining and organic, natural fiber benefits. The weave of these bags is perfect for smooth creamy vegan milks and juices and is much tighter than grade 90 cheesecloth but not as tight as a 200 micron nut milk bag. Designed with the seams on the outside of the bag to make it MUCH easier to clean. Our triple stitched bottom makes it EXTRA-STRONG and DURABLE.