window shutter/interior shutter/special shape 1)material:basswood,paulownia,PVC,Aluminum 2) ... ". 1) Material: Carefully selected basswood(imported from Russia) for our interior shutter (basswood shutters)2) Specification:A) Louver/blade:50.8mm ... :35mm,51mm,57mm avilable.C) Customerized sizes avilable for our interior shutter.3)Structure: solid basswood shutters with laminated stiles for ...