The OLFA RM-CG-01 double-sided rotary mat provides a self-healing cutting surface for quilting and craft work with rotary cutters on small to medium projects. Measuring 12 in × 18 in (305 × 457 mm), it offers a printed grid for accurate straight cuts and angles on one side and a plain reverse for general trimming. Pair it with an OLFA rotary cutter to help protect your table and maintain repeatable measurements.