sandwich panel material:EPS, PU thickness:50,75,100mm,etc. length:as per inquiry ... weiht, high strength, rich color, easy to use and it can also stand up to earthquake, fireand rain.materialssteelsandwichEPS(foam),PU(polyurethane),rock ... woolthickness 50mm,75mm,150mm or due to the customercolordue to the customerlength due to the customer PU sandwich ...