Premium material: our ink maintenance box is made of high-quality plastic, filter cotton, which quickly and effectively absorb waste ink, hold more waste ink, stable and reliable and can be used for a long time. Size information: this replacement of ink maintenance box measures about 7.5 x 7.5cm. Please check the size carefully before purchasing. COMPATIBILITY: The ink maintenance box is compatible with for . Suitable for XP-3100, XP-4100, XP-4101, XP-4105, Workforce 810DWF, -2830DWF, -2850DWF, -2930, -2950, -2851, L3550, L5590. Please note that our product is not sponsored or endorsed by the it fits, including for , or endorsed or affiliated. Usage Tips: Follow the instructions to install the ink maintenance box, which can prevent the print head clogging and extend the life of the printer. Color:Black Material:plastic Package Contents: 1 * Ink Maintenance Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 169 hours.