Features: Bags are labeled and color coded to corresponding micron rating: Purple-25 micron, White-45 micron, Yellow-73 micron, Black-90 micron, Orange-120 micron, Red-160 micron, Green-190 Micron, Blue-220 micron and a 20x20 pressing screen-25 micron. For using with 1-gallon buckets or tubs. Made of durable waterproof coated nylon material, with built-in flexible cord for binding the filled bag. The bag set including 8pcs of 1 gallon filter bags. Includes a storage bag to keep them organized and clean when not in use. Works well in extracting the oil from any herbs. Specifications: Material: Nylon Quantity: 8pcs Color: Purple, white, yellow, black, orange, red, green, blue Micron Rating: 25, 45, 73, 90, 120, 160, 190, 220 Pressing Screen Size: 20 x 20cm or 7.87 x 7.87in Item Size: 29 x 15.5cm or 11.42 x 6.10in (HxD) Package Weight: 585g or 20.65oz Package Size: 21 x 17 x 9cm or 8.27 x 6.69 x 3.54in Package List: 8 x Bag 1 x Pressing Screen 1 x Manual(English)