Royal 2007 Natural Sea Wool Sponge Size 4"

Sea wool sponge, like wool, is known for its unsurpassed reliability. They have the unique ability to hold up to six times their weight in water. These top quality sponges have a unique shape and varying pore sizes, making them ideal for marbling, stippling and other faux finishing techniques. 

This is a natural sponge, so it might differ from the image and have a different/unique texture and shape.