. Great for quilting at home or on the go! Mountain Mist 2-in-1 Wool Pressing Mat offers all the flexibility you need for you quilting whenever you want to craft. This 2-in-1 mat is 18 in. x 24 in. with a 13 1/2 in. x 13 1/2 in. removable center. Simply remove the center for a smaller mat when traveling, and replace into the larger mat once home again. The mat absorbs heat ­ so when pressing your quilt block shapes or sewing project, it's like pressing on both sides of the fabric at the same time. It's dense (1/2 in. Thick), tightly felted ­ a must -have for every sewing/ quilting enthusiast