Features: The twin spool typewriter ribbon has fresh ink, which will bring you a good use experience; High-quality ink are capable of printing clearly and resisting to fade. It provided typewriter ribbon has red and black inks, different colors are easy to distinguish, which is more convenient for you to use in your work; Reminder: The printer models are very similar, and the models will be different. Please contact customer service. If the model is not sure, you can also contact customer service! Specifications: Material:ABS Diameter:Approx.5cm/1.97in Model:GR24 Shelf life: 2 years (sealed state) Ink Color:Black and Red Suitable for GR24 GR41 GR42 GR51 STAR DP8340 1231P EP102; Package Includes: 5x GR24 Typewriter Ribbon Twin Spool note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.