6 Inches (Inner Diameter: 10.1 * cm)(6寸（内径：10.1*15.2cm）) 7 Inches (Inner Diameter: 12.7 * cm)(7寸（内径：12.7*17.8cm）) 8 Inches (Inner Diameter: 15.2 * cm)(8寸（内径：15.2*20.3cm）) 10 Inches (Inner Diameter: 20.3 * cm)(10寸（内径：20.3*25.4cm）) 16 Inches (Inner Diameter: 30 * 40cm)(16寸（内径：30*40cm）) Square 8-Inch (Inner Diameter: 20.3 * cm)(方形8寸（内径：20.3*20.3cm）) Square 9 Inches (Inner Diameter: 22.8 * cm)(方形9寸（内径：22.8*22.8cm）) 7*12 Inches (Inner Diameter: 17.8 * cm)(7*12寸（内径：17.8*30.5cm）) A4 (Inner Diameter: 21 * cm)(A4（内径：21*29.7cm）) 5 Inches (Inner Diameter: 8.9 * cm)(5寸（内径：8.9*12.7cm）) 12 Inches (Inner Diameter: 25.4 * cm)(12寸（内径：25.4*30.5cm）) A3 (Inner Diameter: 29.7 * 42cm)(A3（内径：29.7*42cm）) Custom Size(定制尺寸)

Wood Color(原木色) Oak Color(橡木色) Walnut Colors(胡桃木色)