QUALIFIED RUBBER MAKING: Ping Pong paddle cleaner made of high grade rubber cleaning sponge, foam uniform fine, not off the sponge residue. EFFECTIVENESS: Effectively clean rubber, prolong the service life of Ping Pong racket. Super water absorption, super soft in water. DETAILED OPERATION: When cleaning rubber, use with water or detergent liquid. USE IT WHEN IT WET: When the sponge is dry, do not wipe off the rubber, otherwise it will damage the rubber and the sponge. WATER ABSORPTION: It's super water adsorptive, and super soft as it gets wet. But it will turn hard when it's dry. 6 Pieces Table Tennis Rubber Cleaning Sponge, Ping Pong Paddle Cleaner, Racket Rubber Care Delivery Quantity: 6pcs Product color: as pictured *Due to the different lighting effects of the monitor and the picture, the actual color may be slightly different from the picture