This useful cutting mat is an essential tool for using with roary cutters and craft knives, protecting tabletops, worktops and cutters from damage. The self-healing feature allows for you to apply pressure for a clean cut through materials and without lasting damage to the mat. The dimensions are 45cm x 30cm or 18" x 12" and complete with both metric and imperial printed markers and lines for ease of quick measuring tasks. The mat also features printed angle lines for 30, 45 and 60 degrees - perfect for quilt block design and creation. The double-sided flat working surface is ideal for using as a base for drawing clear lines and measuring out materials and fabrics., Weight: 1.1464037624 pounds, Manufacturer: MILWARD