INKCOOL Set of 4 Compatible Ricoh ink cartridges for SG2010/2100/3110/3100SF/3110SF/7100 GC41K/C/M/Y 1.Packing list: GC41BK-1pcs,GC41C-1pcs,GC41M-1pcs,GC41Y-1pcs 2.Shelf Life:12-18 months 3.Fast shipment 4.ISO9001Certified