A reversible cutting surface with clear grids for accurate measuring and layout. Side 1 features a grey background with black angle markings and imperial measurements; Side 2 offers a blue background with white metric markings. Overall mat size is 20 × 26 (52 × 66 cm) with a working grid of 18 × 24 (46 × 61 cm). Protects tables while guiding straight, angled and curved cuts for sewing and craft projects.