This compatible refill ink kit from JetSir is perfect for Canon printers that require 4 color ink cartridges. The package includes 2 black, 1 cyan, 1 magenta, and 1 yellow cartridges, each with a weight of 1.43 pounds. The ink is designed to work with Canon 250, 251, 270, 271, 280, and 281 cartridges. This refill kit is a great value for those looking to save money on ink cartridges without compromising on quality. The colors are vibrant and long-lasting, making it a reliable choice for all your printing needs. Whether you're printing documents for work or photos for personal use, this ink kit is sure to impress.