How to use: Put the hair filter in the washing machine, place it on top of the clothes, start the impeller washer and the filter starts to collect debris and hair. Reminder: Front-load washing machines are not available.Excellent cleaning ability: Put the washing powder into the filter bag, and the water flow is constantly rotating, which can completely dissolve the washing powder and generate dense foam. TIP: Works best when the water level is 2 inches above the garment, giving the garment room to move and trap lint more effectively.Reduced clogging: Innovative machine washable cleaning filter that adds a layer of filter to the existing built-in filter, fine mesh, reduces clogging troubles and protects your expensive washing machine from unnecessary failures.REUSABLE: These bags are made of high-quality nylon fiber mesh, and like today's laundry bags, they can be used effortlessly. Simply remove any remaining debris and clean the mesh.PACKAGING AND SIZE: Comes with 4 reusable washing machine lint collectors, 2 pink and 2 blue. The flower part is about 3.14 inches in diameter; the filter is 5.11 inches long and easy to use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.