ARCLIBER 6-pack sponges' form under drying is determined by its material, which is made of Cellulose. Original size of each one is 4*2.46*0.12". They expand into soft, porous full sized sponges when you get them wet. You use less amount of dish soap because they make just a perfect foam amount. Use these sponges for washing dishes, or wiping down counter sinks.