16k width 18.5 length 25.8cm(16K 宽18.5长25.8CM) 8k length 37.5 width 25.8cm(8K 长37.5宽25.8CM) 4k width 37.5 length 51.6cm(4K 宽37.5长51.6CM) a4 width 21 length 29.7cm(A4 宽21长29.7CM) a3 length 42 width 29.7cm(A3 长42宽29.7CM) square 10 * 10cm(正方形10*10CM) square 15 * 15cm(正方形15*15CM) square 16.8 * 16.8cm(正方形16.8*16.8CM) square 20 * 20cm(正方形20*20CM) square 25 * 25cm(正方形25*25CM) square 30 * 30cm(正方形30*30CM) round diameter 10cm(圆形直径10cm) round diameter 15cm(圆形直径15cm) round diameter 20cm(圆形直径20cm) round diameter 25cm(圆形直径25cm)

[hard thick cardboard] a set of 24 pieces per color(【硬厚卡纸】一套24张一色一张) [hard thick cardboard] 50 black sheets(【硬厚卡纸】50张黑色) [hard thick cardboard] 50 white sheets(【硬厚卡纸】50张白色) [hard thick cardboard] 50 pieces of 10 colors mixed(【硬厚卡纸】50张10色混装) 50 pieces optional color cardboard contact customer service remarks(50张自选色硬卡纸联系客服备注) [hard thick cardboard] 20 black sheets(【硬厚卡纸】20张黑色) [hard thick cardboard] 20 white sheets(【硬厚卡纸】20张白色) [hard thick cardboard] 20 pieces of 10 colors mixed(【硬厚卡纸】20张10色混装) 20 pieces optional color cardboard contact customer service remarks(20张自选色硬卡纸联系客服备注) [soft origami] 100 pieces 10 colors mixed(【软折纸】100张10色混装) [soft origami] 200 pieces of 10 colors mixed(【软折纸】200张10色混装) [soft origami] 300 pieces of 10 colors mixed(【软折纸】300张10色混装)