Corning BioCoat Matrigel Invasion Chamber with 8.0 µm PET Membrane in four 6-well Permeable Supports are packaged ready to use in Falcon® Companion Plates, 24/case. Corning BioCoat™ cell culture inserts are pre-coated with extracellular matrix proteins for applications requiring a protein-coated cell surface, such as cell adhesion, growth, invasion, migration and/or differentiation.