single a4 color paperboard 8 open hard handmade 4 open painting cardboard color mixed color a3 black and white early education card poster background

ten colors mixed(十色混装) white(白色) black(黑色) dark green(墨绿) green(绿色) tender green(嫩绿) light green(浅绿) orange(橙色) lemon yellow(柠檬黄) golden yellow(金黄) medium yellow(中黄) light yellow(浅黄) sapphire blue(宝蓝) dark blue(深蓝) emerald blue(翠蓝) lake blue(湖蓝) light blue(浅蓝) brown(棕色) khaki(卡其色) light brown(浅棕) pink(粉色) ochre red(赭红) red(红色) rose red(玫红) pink(桃红) purple(紫色) light purple(淡紫) jade color(玉色) gray(灰色) apricot(杏色)

single a4 (about 21cm * cm)(单张A4（约21cm*29.7cm）) 8 pieces per sheet (about 26cm * 37cm)(单张8开（约26cm*37cm）) single a3 (about cm * 42cm)(单张A3（约29.7cm*42cm）) 4 sheets (about 37cm * 52cm)(单张4开（约37cm*52cm）)