Got a sponge of very good quality and very fast. somewhere in three weeks. One side is smooth, which polishes and the other side can be rubbed with dirt. To the seller many thanks for the quality goods. I have glossy black and white furniture in the kitchen, which requires daily care. I was just worried about it. And these sponges make cleaning easier for me once, two, three. Very happy. Order do not worry. Reliable seller.