Replacement brush refills of MR.SIGA soap dispensing dish brush(B09G155XZW). MR.SIGA suggests replacing brush head every 3 months. Non-scratch and odorless nylon bristles, they are durable enough to scrub dirt effectively yet gentle enough to use on non-stick cookware. Built in scraper on brush head backside easily removes stuck-on food. Use it everyday to clean your pan, pot, dish, sink, stoves, kitchen utensils, cast iron, countertop etc. MR.SIGA's mission: Make your housework easier, and make the world cleaner., Weight: 0.5291094288 Pounds, Manufacturer: Ningbo Shijia Cleaning Tools Co., Ltd.