Keep critical identification intact where standard paper labels are not enough. Zebra Polypro 4000D is a direct thermal polypropylene label designed for applications that need stronger resistance to handling and environmental wear. The 2 x 1.25 inch format supports compact labeling on products, containers, and assets where space is limited but scan accuracy still matters. Polypropylene face stock is a practical choice for operations that need labels to hold up better during transport, storage, and routine contact. Direct thermal printing simplifies deployment by removing ribbon management, which helps reduce consumable complexity at the printer. For teams standardizing on a durable label format, this stock supports consistent output across production, warehouse, and inventory workflows. Choose this Zebra label when you need more than a basic paper solution. It is built for organizations that value dependable identification, fewer reprints, and a cleaner supply chain at the point of print.