... cost. 2.Widely used in pet cleaning. 3.Can be used as promotional gift. Cleaning foam/sponge based on polyurethane sponge, ... open cell or closed cell, reticulated or seaweed, good for cleaning.Cleaning foam sponge products are widely used in kitchen, oven, brushes, ... car washing, oil cleaning, pet cleaning, etc.Foam brushes are also the good accessories of painting tools ...