red(红色) yellow(黄色) blue(蓝色) black(黑色) gray(灰色) dark green(墨绿色) pink(粉色) brown(棕色) cloud blue(云雾蓝) black (penholder models)(黑色（笔插款）) blue (penholder models)(蓝色（笔插款）) gray (penholder models)(灰色（笔插款）) red (penholder models)(红色（笔插款）) pink (penholder models)(粉色（笔插款）) cloud blue (penholder models)(云雾蓝（笔插款）) yellow (penholder models)(黄色（笔插款）) dark green (penholder models)(墨绿色（笔插款）) brown (penholder models)(棕色（笔插款）) black (u-shaped buckle)(黑色（U型扣）) red (u-shaped buckle)(红色（U型扣）) blue (u-shaped buckle)(蓝色（U型扣）) brown (u-shaped buckle)(棕色（U型扣）) dark green (u-shaped buckle)(墨绿色（U型扣）) cloud blue (u-shaped buckle)(云雾蓝（U型扣）) pink (u-shaped buckle)(粉色（U型扣）) gray (u-shaped buckle)(灰色（U型扣）)

a5(A5) a6(A6) b5(B5)