Plustin Arts Self Healing Cutting Mat A3 With Grids - 18L x 12W Inches - Professional Double Sided Rotary Cutting Mat with Grids Self Healing: Automatically Reseals and Repairs Itself After Cuts Most Popular Size: Ideal for Use in Office and Classrooms Double Sided: Doubling the life of the mat Extends the life of your blades & protects work surfaces 50% OFF TODAY!