wood and plastic composite board(wpc): 1.CE ISO9001 ISO14001 SGS 2.100 ... , summer house, villa, pool surrounds, exterior floor, seaside walk board, customs pallet, gate&Playground, boardwalk, Pool&SPA surrounds, balcony ... hazard chemical7. Safe to use for many years8. No painting, no glue, free maintenance9. Anti-slip, less crack ... Recycled,Environmental,Durable,Natural, wood plastic composite board