Color: BK, C, M, Y each 100ml total 400 mlInk produced by JUNCAI,Widely use forremanufactured ink cartridge or the CIS/CISS system compatible with HP CanonBrother Lexmark printers.Ink filling instruction1. Tear the label from ink refill holecarefully(Please do not throw label away, it still need to paste back)2. Use the syringe to draw 5ml ink,squeezing the air out of syringes before filling.3. Fill the ink into ink refill hole about3/4 full4. Paste back the label, and then you readyto go!Note To ensure refill correct ink intotricolor cartridge, please use toothpick to check for the which color matcheswith which hole before you refill.