5 Inches (8.9 * cm)(5寸（8.9*12.7cm）) 6 Inches (10.1 * cm)(6寸（10.1*15.2cm）) 7 Inches (12.7 * cm)(7寸（12.7*17.8cm）) 8 Inches (15.2 * cm)(8寸（15.2*20.3cm）) 10-Inch (20.3*25.4cm0(10寸（20.3*25.4cm0) 12 Inches (25.4 * cm)(12寸（25.4*30.5cm）) 16 Inches (30*40cm0(16寸（30*40cm0) A4(21*29.7cm)(A4（21*29.7cm）) A3(29.7 * 42cm)(A3（29.7*42cm）) Square 4-Inch (10.1*10.1cm)(正方形4寸（10.1*10.1cm）) Square 5-Inch (12.7 * cm)(正方形5寸（12.7*12.7cm）) Square 6 Inches (15.2 * cm)(正方形6寸（15.2*15.2cm）) Square 7 Inches (17.8 * cm)(正方形7寸（17.8*17.8cm）) Square 8-Inch (20.3 * cm)(正方形8寸（20.3*20.3cm）) Square 9 Inches (22.8 * cm)(正方形9寸（22.8*22.8cm）) Square 10 Inches (25 * 25cm)(正方形10寸（25*25cm）) Square 12 Inches (30 * 30cm)(正方形12寸（30*30cm）) Square 16 Inches (40 * 40cm)(正方形16寸（40*40cm）) 8 Open (26.5 * 38cm)(8开（26.5*38cm）) 4 Open (38 * 53cm)(4开（38*53cm）) Square 10-Inch (Four Grid)(正方形10寸（四宫格）) Square 10-Inch (Jiugong Grid)(正方形10寸（九宫格）) Custom Size(定制尺寸)

Hole Cardboard(开孔卡纸) Whole Cardboard(整张卡纸)