6 x Refill Cartridgeas suitable for printers using Canon 520 & 521

• Set contains 5 refillable cartridges (PGBK, BK, C, M, Y, GY)
• Pre-chipped with 'remove to reset' chips
  (simply take them out and put them back in to reset ink level)
• Can be used and refilled at least 20 times
• Safe & quick refilling process
• Simple and easy to install
• Does not include Ink (empty cartridges)