Features:Bags are labeled and color coded to responding micro rating: purple-25 micro, yellow-73 micro, orange-120 micro, red-160 micro, blue-220 microEasy to use and reusable, easily fit 1 gallon/5 gallons bucket Stack the bags in exact order like the images (small first to big -25 microns to 220 microns) then pour the mixture into the bags, finally rinse each bag and collect your final productMade of durable waterproof nylon material, with build in flexible core for binding the filled bagThe bag set includes 5pcs of filter bagsWorks well in extracting the oil from any herbs and each micro bag provides you with high grade filtration to easily extract any essential oils, coffee, and other herbsSpecifications:Material: NylonQuantity: 5pcsSize:1 purple filter bag (25 microns)1 yellow filter bag (73 microns)1 orange filter bag (120 microns)1 red filter bag (160 microns1 blue filter bag (220 microns1 20X20CM press screen1 storage bag