Feature
4mm marble laminated with 3mm aluminium poly backing, totally 7mm thick Max.size: 1200x2400mm Weight: 3.70 pounds/sq.ft (18kg/sq.m), 1/3 weight of 2cm marble slab Application: Interior wall, elevator, ceiling, bus,boat,etc Advantage: Reduce the weight and shipping cost, easy to install, save time and labor cost