Each individual craft sponge is 2.75 inch in diameter, 0.90 inch in thickness, perfect size to hold well by hands for painting Great for face painting, leather tack cleaning and conditioning,applying paint in household or craft projects to washing dishes Pack of 40 Synthetic sponges for working with clay, crafts, and art paints. Made of dense foam with smooth edge in round shape, soft and easy to cut in half and hold paint well Warm tip: The sponges initially came a little bunched up and deformed. Because they are compressed to save space so that easier to be packed and shipped. Simply wash the sponges with dish soap and air dried, once they absorb the water they return to a perfect circular shape.