black walnut-r style(黑胡桃-R款) teak-r style(柚木-R款) cherrywood-r style(樱桃木-R款) sapele-r style(沙比利-R款) beech-r style(榉木-R款)

6-inch (inner frame 10.2 * cm) with 4-inch cardboard(6寸（内框10.2*15.2cm）配4寸卡纸) 7-inch (inner frame 12.7 * cm) with 5-inch cardboard(7寸（内框12.7*17.8cm）配5寸卡纸) 8-inch (inner frame 15.2 * cm) with 6-inch cardboard(8寸（内框15.2*20.3cm）配6寸卡纸) 10-inch (inner frame 20.3 * cm) with 8-inch cardboard(10寸（内框20.3*25.4cm）配8寸卡纸) 12-inch (inner frame 25.4 * cm) with 10-inch cardboard(12寸（内框25.4*30.5cm）配10寸卡纸) 14-inch (inner frame 25 * 35cm) with small 12-inch cardboard(14寸（内框25*35cm）配小12寸卡纸) 16-inch (inner frame 30 * 40cm) with 12-inch cardboard(16寸（内框30*40cm）配12寸卡纸) a4 (inner frame 21 * cm) with 8-inch cardboard(A4（内框21*29.7cm）配8寸卡纸) a3 (inner frame 29.7 * 42cm) with a4 cardboard(A3（内框29.7*42cm）配A4卡纸) inner frame 15 * 15cm-with 10x10 cardboard(内框15*15cm-配10X10卡纸) inner frame 20 * 20cm-with 15x15 cardboard(内框20*20cm-配15X15卡纸) inner frame 25 * 25cm-with 20x20 cardboard(内框25*25cm-配20X20卡纸) inner frame 30 * 30cm-with 25x25 cardboard(内框30*30cm-配25X25卡纸)