Brush and Landing Net - brand generic - Set of 20 Pool Oil Absorbing Sponge Spa Scum Absorber Cleaner for Spa Highlights brand generic Set of 20 Oil Absorbing Sponge Spa Scum Absorber Cleaner Spa Pool Oil Description: It picks up all the scum, sludge, dirt and oils right out of the water. Absorbs many times its weight in oil, slime, grime and other types of scum. This allows the filter to work longer with more efficiency. All you need to do is place the oil-absorbing sponge on the water and let it do its job. By absorbing all of the scum, no scum lines will form on tiles and/or pool/spa/hot tub walls. Specification: Material: Sponge Ducks: 11 x 11cm/4.3 x 4.3in Cartoon Flower: 10 x 10 x 3cm/3.93 x 3.93 x 1.18in Package includes: 10 pieces Oil-absorbing Sponge Ducks 10 Pieces Cartoon Flower Oil-absorbing Sponge Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 1-3mm differences due to manual measurement.