If you are looking for a professional piano felt washer for your piano, please check our products. It is made of high-grade felt materials and is practical enough to not harm your strings when used. It is a must-have product for you who own a piano. Features - Material: Felt. - The piano keyboard washer is made of premium materials, and moderate, and does not damage the strings. - The product is an excellent tool for you when you need to repair the piano. The product has fine workmanship. - The product has a compact size and is portable enough for you to take it with you during performances. - A great gift for friends or relatives who repair the piano. They will fall with the supple product. - The product has good felt material and creative design and appearance. Package list: 3 pcs x 90 × Piano Felt Washers