Wasp Bar Code - Wasp WPL305 4.0 X 6.0 Tt Labels, 5OD (12 Rolls) Product Type: Barcode Labels| Size: 4.0in X 6.0in| Printing Technology: Thermal Transfer| Quantity / Unit: 12 ROLLS/PACK| For Use With: WPL305| Manufacturer: WASP TECHNOLOGIES