General description These 16PCS Reusable Spa Sponges are designed for superior oil absorption, making them an essential accessory for maintaining cleanliness in pools, spas, and hot tubs. Each sponge can absorb approximately 40 times its weight in oil, slime, and other residues without soaking up moisture, ensuring effective cleaning without compromising water quality. Technical specifications Quantity: 16 pieces Absorption capacity: Absorbs about 40 times its weight in oil and residue Usage Simply place the sponge in water or a bathtub to start cleaning. When saturated, 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.