Cellink produces and sells a hydrogel that is compatible with all extrusion based 3D bioprinters. Basically want to establish themselves as the leading suppliers of consumables as bioprinters become more widely available and their prices drop. 

CELLINK Bioink, is now available for purchase, starting at $99.00 for 3ml or $199 for 10ml.

http://www.openbiomedical.org/swedish-startup-cellink-makes-bioprinting-easy-with-consumables/