- Professional cleaning sponge for table tennis racket rubbers. High water absorption, soft and sensitive foam that becomes softer when wet, gentle on delicate rubber surfaces. - Use with rubber cleaning agent or clean water. Recommended with a rubber cleaning solution; if none is available, wipe with clean water to effectively clean the rubber surface. - Extends rubber life and maintains performance. Thorough cleaning removes debris, helps preserve grip and spin, and supports longer rubber life. - Material and durability. Made from high quality rubber sponge with uniform, dense foam that does not shed residue and remains reliable over time. - Compatible and practical. Sized to fit standard table tennis rubbers and usable with water or detergent liquids for cleaning. - Use scenarios: - After practice: remove dust and rubber debris to keep the surface clean. - Before a match: refresh the rubber surface for better grip and control. - When changing rubbers: clean the new rubber before installation to ensure optimal performance.