Dahleâs Vantage Self-Healing Cutting Mats are extremely durable and provide 1/8â of work surface protection. This 12â x 18â professional grade cutting mat features 5 layers of PVC construction with screened inch, metric, and angled alignment guides. Vantage® Mats can be used on both sides and are ideal for sewing, crafting, rotary cutting, and cropping photos. This item includes a case of 36 mats.