90u - 2 x 4 Mesh Filter Bags

100% Nylon!  The 90 micron mesh is best used for whole flower, ground up flower, and larger micron sift. Made with food grade, non dyed nylon. Stitched together with 100% nylon. Filter utilizes a single rolled stitch and is turned inside out. Opening on one end so you can load your product and fold it shut. All that's left to do is press until happy