About the Frame The original frame is made of pine wood processed from pine wood to suppress shape changes due to dryness and moisture, and is wrapped with veneer that has a beautiful grain and little warping or cracking (NT color in the image). Natural wood (front veneer) / Back plate MDF*1 / Transparent plate PET*2 *1 A board made by turning wood into a powdered fibrous form and then molding. In order to make effective use of wood resources, offcuts and thinned wood are also used, so it is known as a highly recyclable eco-material. *2 It is as transparent as glass, but extremely lightweight. Since it does not emit toxic gases when burned, it is a material that is often used as a food container such as PET bottles. About the Package The outer box is made of glossy single-sided white cardboard. Cardboard is a natural material that is 100% renewable.