This compact cutting mat is sized for easy transport, convenient storage or cutting fabric in small workspaces. It features a self-healing mat with measuring grid that outlasts other cutting mats. Included square and bias lines make cutting perfect squares, shape cutting and cutting at angles a breeze.Details:12" x 12" (30.48cm x 30.48cm)Easy to transport and storeSelf-healing matMeasuring squares makes cutting perfect squares for quilts easy30°, 45° and 60° bias lines