Product Description: cutting mat kit set The Honey's Heaven Rotary Cutter uses our high quality SKS-7 steel blades. They offer astonishing sharpness, making them suitable for cutting paper, denim, vinyl and other materials. It is more reliable than a pair of scissors, it can cut six layers of fabric or paper to the same size and shape at once. Self Healing Cutting Mat included. Double sided design, made from durable 5-Ply material for accurate cutting. Cutting Mat size is 35.5" x 23.5" (A1), Grid size of print is 35" x 23", thickness is 3 mm. The ergonomic handle with adjustable screw system ensures high blade stability and gives you full control over your cutting blades for smooth operations. Applicable to clothes making, sewing, quilting, shearing, glueing, needlework, and paper craft. The built-in safety lock prevents the handle from being pressed when the blade is not in use. The blade can only be opened and closed deliberately by the user to prevent accidents. Our rotating knife tools comes with 5 extra pieces of 45mm rotating blades. Each versatile rotating knife tool is also compatible with pink, wavy or shell-shaped blades.