Self Healing Eyelet Setting Mat by Eyelets Etc., is a 3 in. x 3 in. eyelet setting mat that is the perfect size for easy eyelet setting. This little mat is self healing and essential to protecting your work surface as you hammer away! It's the perfect size for your craft table because it won't take up a lot of room like other mats. It is also easy to tuck into a pocket when going out of your home to do your crafts somewhere else.