brown (soft leather)(棕色（软皮）) gray (soft leather)(灰色（软皮）) dark blue (soft leather)(深蓝（软皮）) black (soft leather)(黑色（软皮）) green-blue (soft leather)(水蓝（软皮）) red (soft leather)(红色（软皮）) brown (window flower buckle)(棕色（窗花扣）) gray (window flower buckle)(灰色（窗花扣）) dark blue (window flower buckle)(深蓝（窗花扣）) black (window flower buckle)(黑色（窗花扣）) green-blue (window flower buckle)(水蓝（窗花扣）) red (window flower buckle)(红色（窗花扣）) brown (mirror buckle)(棕色（镜面扣）) gray (mirror buckle)(灰色（镜面扣）) dark blue (mirror buckle)(深蓝（镜面扣）) black (mirror buckle)(黑色（镜面扣）) green-blue (mirror buckle)(水蓝（镜面扣）) red (mirror buckle)(红色（镜面扣）) brown (u-shaped buckle)(棕色（U型扣）) gray (u-shaped buckle)(灰色（U型扣）) dark blue (u-shaped buckle)(深蓝（U型扣）) black (u-shaped buckle)(黑色（U型扣）) green-blue (u-shaped buckle)(水蓝（U型扣）) red (u-shaped buckle)(红色（U型扣）) brown (paperback)(棕色（平装）) gray (paperback)(灰色（平装）) dark blue (paperback)(深蓝（平装）) black (paperback)(黑色（平装）) green-blue (paperback)(水蓝（平装）) red (paperback)(红色（平装）)

a5(A5) a6(A6)