・Frame size: 29 cm (height), 37 cm (width), 2 cm (thickness) ・Maximum paper size: 25 cm x 33 cm ・Japanese cedar wood with persimmon tannin coating. ※Persimmon tannin is said to have effects such as preservation, waterproofing, insect repellent, deodorization, antibacterial, and antiviral properties. ・Uses a transparent plastic sheet.