1. Material: The cable ties are made of pp material; These hose filters are made of galvanized iron, rustproof and long lasting, can effectively filter cotton fluff in the washing water to prevent clogging your laundry sink. 2. Package Includes: 12 pcs washing machine lint traps and 12 nylon cable ties. Size: lint traps: 9.8 x 2" / 25 x 5cm (L x W); cable ties: 7.7 x 0.2" / 19.5 x 0.5cm. Very common size to fit most washing machine discharge hoses. 3. Prevent Pipe Plugging: Laundry water often contains a lot of clothing fibers, cotton, paper debris, hair and other debris, may cause sink blockage. Lint filter can help you solve this problem, works as a lint catcher and remover. 4. How To Use: It is very easy to install, traps can slips easily onto end of hose, no tools needed for installation, easy to put on the discharge hose and they are easy to remove. Nylon cable tie is unlocking design.