These White standard address Labels are general purpose labels for envelopes packages file folders and countless other uses, Seiko Instruments SmartLabels are available in a variety of sizes types and styles so you can label just about anything! There are labels for floppy disks video cassettes name tags 35mm slides and more, Core Diameter: 0, 79"", Shape: Rectangle, Assembly Required: No, Color: White, Print Technology: Direct Thermal, Media Size: 1, 12"" Width x 3, 50"" Length, Material: Paper, Features: Self-adhesive, Compatibility:, Seiko SmartLabel Printers: EZ30 SLP100 SLP120 SLP200 SLP220 SLP240 SLP410 SLP420 SLP430 SLP440 SLP450, Dymo LabelWriter Printers: 400 Series Printers 450 Series Printers, SKU: AZRSKPSLP2RL