General description These 10PCS Reusable Spa Sponges are designed for superior oil absorption, making them an essential cleaning tool for pools, spas, and hot tubs. They can absorb approximately 40 times their weight in oil, slime, and residue without soaking up moisture, ensuring effective cleaning while maintaining water quality. Technical specifications Quantity: 10 pieces Absorption capacity: Absorbs about 40 times its weight in oil and residue Usage Place the sponge in water (pool or bathtub) to start cleaning. When saturated, simply squeeze out the absorbed oil and rinse the sponge for reuse. Ideal for removing inanimate residue in swimming pools, spas, jet baths, and hot tubs.