BROTHER TN-650 TN 650 HIGH YIELD BLACK TONER REFILL KIT also or TN-620 HL-5370DW Kit includes: 1 bottle of toner, funnel cap, gloves, seal, and ILLUSTRATED instructions Premium quality, high yield toner Product is guaranteed to print at the same quality as a brand new toner cartridge and yield the same amount of pages. Instructions are very easy to follow but we offer phone support to aid in the refilling process if needed