The Omnigrid large folding cutting kit includes a rotary cutter, 3" x 18" ruler, and a 18" x 24" folding mat that folds to 12" x 18". The mat and ruler feature precision printed measurements, diagonal lines, and left and right handed numbering. Mat designed for non-slip 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.Contents:1 ruler (3" x 18")1 folding mat (18" x 24", folds to 12" x 18")1 45mm rotary cutter (left and right handed)