100% Nylon! The 90 micron filters are best used for pressing whole flowers. These work great to pack full and press using our 5x5 platens. Hold 28+ grams of whole flower. Made of non dyed food grade nylon mesh with food grade stitching. Opening on one end so you can load your product and fold it shut. All that's left to do is press until happy. *Different quantities available, buy more and save money!
