4 pack 4.5x12inch Lightgrip&Standardgrip Cutting Mat works perfectly with Joy Only. They are Made of durable non-toxic PVC materials.Standardgrip cutting mat for joy is specially formulated for securing medium-weight materials, including adhesive-backed deluxe paper, infusible ink transfer sheets, htv vinyl, pearl paper, cardstock, etc.Lightgrip cutting mat for joy is specially formulated for securing lightweight materials, including standard paper, light cardstock, vellum, 651 vinyl, etc.joy mat for joy has just the right amount of stickness to hold your material securely in place, When you paste the material on the cutting mats, they would preserve your design well,without slipping or sliding during cutting.Cutting Mats Storage: Use the scraper to scrape excess pieces and the spatula to carefully remove cut images. Keep the clear film cover on the cutting mat when storing to keep cutting mat stickiness free from scraps and dust.Colour:green + blueMaterial:plastic pvcPackage Contents:4 x Replacement Cut matOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.