Description Used for extracting the oils from herbs. 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 and a 20x20 pressing screen-25 micron. For using with 5-gallon buckets or tubs. Made of durable waterproof coated nylon material, with built-in flexible cord for binding the filled bag. Includes a storage bag to keep them organized and clean when not in use. Specifications: Material: Nylon Quantity: 5pcs Color: Purple, yellow, orange, red, blue Micron Rating: 25 / 73 / 120 / 160 / 220 Pressing Screen Size: 20 x 20cm / 7.87 x 7.87in Item Size: 43 x 30cm / 16.93 x 11.81in (H*D) Package Weight: 906g/ 31.96oz Package Size: 28 x 23 x 6.5cm / 11.02 x 9.06 x 2.56in Package List: 5 x Bag 1 x Pressing Screen 1 x Manual (English)