About this item Sufficient quantity: you will receive 10 flower-shaped oil-absorbing sponges which have strong grease adsorption, very suitable for kitchen, swimming pool use , sufficient amount to meet your daily needs Efficient utility: the sponge can not only collect the scum, sludge, dirt and oil that comes out of the water and save the life of the filters, but also help remove scum that forms in swimming pools, hot tubs and jetted tubs Directions for use: Simply put the sponge in a pool or tub filled with water, it can help you clean the swimming pool by itself, when the sponge is saturated, just squeeze out the oil, rinse the sponge and use again, it would be at better performance after cleaning the sponge Storage method: the sponge is easy to turn yellow when seeing the light and the air, but it will not affect the use, you can pack in sealed color bags to prolong the lifespan