Ink cartridges have a neutral PH, NON-TOXIC, excellent coverage and smooth flow
Cartridge Lenght: Appr 51mm; Cartridge Diameter: Appr4-6mm; Bore diameter: 2.6mm
Package: 2 black, 2 blue, 2 yellow, 2 purple, 2 red and 2 orange ink cartridges, total 12 PCS ink cartridges.