Stone Honeycomb PanelsTHINKROCK Stone Honeycomb Panel is made by putting together natural stone thin panel (granite,Website:://.lightweightpanel.com, marble, sandstone, limestone, travertine, etc) and an aluminum honeycomb panel with PU glue.Panel structure and material:a)Front side: stone material, thickness 3-8mmb)Back side: aluminum panel with hexagonal aluminum honeycomb corec)Glue: high temperature curing PU glued)Edge: closed