color thickened cardboard a4 mixed color cardboard 8k kindergarten handmade hard cardboard cardboard 4k manual work origami a3 彩色加厚硬卡纸a4混色卡纸8k幼儿园手工硬卡纸4k手工作业折纸a3

a4 cardboard 210 x297mm 8k cardboard 260 x372mm a3 cardboard 297 x420mm 4k cardboard 372 x520 mm

20 sheets [10 colors mixed]] 20 sheets [20 colors mixed]] 50 sheets [10 colors mixed]] 60 sheets [20 colors mixed]] 100 sheets [10 colors mixed]] 100 sheets [20 sheets mixed color]] black [50 sheets]] light purple [50 sheets]] dark purple [50 sheets]] flesh color [50 sheets]] light pink [50 sheets]] deep pink [50 sheets]] light green [50 sheets]] fluorescent green [50 sheets]] dark green [50 sheets]] dark green [50 sheets]] emerald green [50 sheets]] lake blue [50 sheets]] sky blue [50 sheets]] blue [50 sheets]] sapphire blue [50 sheets]] light blue [50 sheets]] dark blue [50 sheets]] fluorescent yellow [50 sheets]] light yellow [50 sheets]] lemon yellow [50 sheets]] medium yellow [50 sheets]] golden [50 sheets]] orange [50 sheets]] rose red [50 sheets]] pink [50 sheets]] golden red [50 sheets]] red [50 sheets]] gray [50 sheets]] brown [50 sheets]] white【 50 sheets]] a4 random 2 sheets