The CR80 10 Mil Mylar Adhesive Backed PVC Cards are a high-quality office product manufactured by Id Zone. The pack includes 500 cards made of durable polyvinyl chloride material with a thickness of 10 mil. The cards come in standard packaging and are designed to be adhesive-backed for easy application. With dimensions of 16.5×4.02×2.4 inches and a weight of 4.9 pounds, these cards are ideal for various business and industrial applications where reliable and durable identification cards are needed.