The Omnigrid Folding Cutting Kit includes a rotary cutter, 3"x 18" ruler, and a 18"x 24" folding mat that folds to 18"x 12". The mat and ruler feature precision printed measurements, diagonal lines, and left and right handed numbering. Mat designed for smooth cutting across the folding edge. Ruler has slip-resistant ink and 1/8" grid marking. Rotary cutter allows for left or right-hand use without blade change. Soft-cushion handle reduces wrist strain and fatigue.