LifeTime Guarantee 

Our 100% satisfaction guarantee gives you complete peace of mind. Our cartridges have been tested and monitored for performance quality and page yield. (Page yield is the number of pages you can print with one cartridges. The page yield of a cartridges is based upon the ISO standard for measuring ink cartridge yields by printing out pages with 5% page coverage until the cartridge runs empty)

In the event that you are dissatisfied or have problem with our products,  we will gladly replace the product with no cost or refund the money.