The violin bow skin is designed to attach to the bow grip, helping to prevent slipping and to promote more accurate playing. The sleeve is made from rubber, which gives it a non-slip texture, providing a comfortable and secure grip for the musician. Features -Color:Black -Material:Rubber -Size:3.60X1.40X1.40cm/1.41X0.55X0.55in - The sleeve is thick enough to provide a comfortable grip, rubber surface provides added grip. - The old grip sleeve can be replaced directly, which is convenient and reliable to use and easy to install. - Rubber violin bow skin sleeves are helps to protect the bow from damage, including scratches, dents and marks. - The installation is simple, no tools are needed, and this bow skin is convenient to use. - The bow grip sleeves are easy to remove, providing added comfort, control, and durability to their playing experience. Package list: 4 x Violin Bow Grip Sleeves