The Thunder Group PLSL003BK is a set of four black plastic shelf label holders, each measuring 3 inches. Designed for easy identification and organization, these durable label holders securely display shelf labels, making it simple to keep track of inventory and product placement. Their sleek black finish complements any shelving unit, ensuring a professional appearance in retail or storage environments. Ideal for use in supermarkets, warehouses, or offices, these label holders enhance efficiency and streamline operations.