Silk fibroin disc scaffold for 3D cell cultures and tissue engineering applications. Entirely made of electrospun silk fibroin, an FDA approved natural polymer, these scaffolds are biocompatible and cytocompatible, suitable for almost all type of cells. Provided in ready to use single sterile package (EtO sterilization). 100% customizable on specific needs and applications. These electrospun scaffolds can be used in bioreactor systems as well as in Petri Dishes, multiwell plates or flasks.