The new physical foaming composite material, which is made from environmentally-friendly material (food grade) by using leading physical foaming technology in the world, is produced with special physical foam sheet equipments. The shutter made of it is non-toxic, non-formaldehyde and without any chemical residues and is characterized by decay resistance, mildew proof, heat preservation, thermal insulation, acoustic insulation, water proof and non-deformation. It is fashionable with highest quality. Various photos and images can be printed on the shutters so long as you like by the most advanced UV coating technology and it can be customized for you. When you open the shutter, it is sunny. When you close it, a beautiful picture is presented. It would show your superb taste and unique personality and attract others' attention and make you healthy at the same time.