This pack of 12 oil absorbing sponges is perfect for maintaining a clean swimming pool, spa, jacuzzi or hot tub. The cute duck shape design makes it a fun addition to any pool. The sponge effectively absorbs multiple times its weight in scum, grime, slime and other types of dirt, preventing trash lines from forming on pool walls and tiles. It also helps prolong the filter life by collecting scales, slimes and oils, allowing it to run more efficiently. Simply float the sponge in the skimmer and it will absorb dirt and grease in the pool, making your swimming experience healthy and happy. Features: - Absorbs multiple times its weight in oil, slime, grime and other types of scums. - Helps eliminate the muds, oil, dirt, hair that forms in swimming pools, hot tubs, jetted tubs, jacuzzis and spas. - By absorbing all the trash, no trash lines are formed on the tiles or walls of the pool, spa, hot tub etc. - This sponge can prolong filter life by collecting all scales, slimes, grimes, and oils out of the water. And it allows the filter to run more efficiently. - Just float the sponge in the skimmer of the swimming pool or spa, the sponge will absorb the dirt and grease in the swimming pool, making you happy and healthy in the water. Specifications: Material: Sponge Package included: 12 x Oil Absorbing Scum Sponges Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.