WPC window blind Water proof,natural color,beautiful finishing,inflaming retarding,no toxic leach into the ... ,black walnut.Feature:1.It is enviroment friendly, inflaming retarding,water resistant.2.No split and deformation,no dadeness,needn't ... maintenance,durable,can be cut,screwed,nailed,glued,etc.4.natural color,and beautiful finishing and undamaged by rot or insects ...