Features: Bags are labeled and color coded to corresponding micron rating: purple - 25 micron, yellow - 73 micron, orange - 120 micron, red - 160 micron, blue - 220 micron. Easy to use and reusable; fits standard 1-gallon or 5-gallon buckets. Stack the bags in order from smallest to largest micron rating (25 to 220 micron), pour the mixture into the top bag, then rinse each bag to collect the final product. Made of durable waterproof nylon material with a built-in flexible cord for securing the filled bag. Set includes 5 filter bags. Effective for oil extraction from herbs; each micron-rated bag provides fine filtration for extracting essential oils, coffee, and other botanicals. Specifications: Material: Nylon Quantity: 5 pieces Size: 1 gallon, 5 gallon (optional) Colors: Purple, yellow, orange, red, blue Micron Ratings: 25, 73, 120, 160, 220 Package Weight: 160g / 5.64oz (1 gallon); 200g / 7.05oz (5 gallon) Package Dimensions: 200 x 200 x 50mm / 7.87 x 7.87 x 1.97in (1 gallon); 250 x 220 x 50mm / 9.84 x 8.66 x 1.97in (5 gallon) Packing List: 5 x Mesh Bag