One was opened the other 3 are still in factory wrap . None have been used

High Yield: 3,000 pages per black replacement canon 070 Toner Cartridge at 5% coverage on A4 paper

Compatible with Printers: Use for canon imageCLASS MF460dw MF461dw MF463dw MF465dw LBP240dw LBP243dw LBP246dw Printers

Package includes: 4 pack replacement canon 070BK compatible Toner Cartridges

Warranty: if any problem during this period, please let us know, we will try our best to solve your issue

Favorable price: we have our factory to development and creative our products, so we can provide the best quality at the lowest cost