A quad layer allograft Amnion-Intermediate Layer-Chorion-Amnion (ACA) quad-layer configuration, which enhances its durability and thickness

dual-layer allograft It's made from the amniotic membrane

Three Layer Graft consists of the amniotic membrane.

 Coll-e-Derm™ is a Autograft used for the repair or replacement of damaged or insufficient integumental tissue or for other homologous uses of human integument.