Wool Press n' Lock Tiles set of 4The next innovation in Wool Pressing Mats is here!! Our exclusive interlocking wool tiles help you put together the size pressing mat you need. These 10" x 10" tiles interlock to create as large or as small of a mat as you'd like. You can connect the tiles of wool pressing mats to make one as large as you need and the shape you need it. These were designed by us, real quilters and sewers, so we know how important a great pressing surface can be