5mm natural stone(sandstone, limestone, marble, travertine etc.) laminated with 15mm granite with fiberglass back We can make preformed corner with 90 degree or other degrees. Natural granite backed with fiberglass. 1.Ultra thin & light, unlike traditional granite, reinforced by fiberglass, the granite can be made very thin. 2.Strong, fiberglass can strengthen bending strength and compressive strength of granite. 3.Safe: If stone is broken, fiberglass can hold the stone on the wall and avoid falling off from the wall to hurt people. 4.Easy installation: Because it is ultra thin $ light, it saves labor cost while install. Our granite backed with fiberglass panels are suitable for exterior and interior wall. Sizes can be according to your requests.