4 layers black(4层黑色) 4 layers white(4层白色) 5 layers black(5层黑色) 5 layers white(5层白色) 6 layers black(6层黑色) 6 layers white(6层白色) 7 layers black(7层黑色) 7 layers white(7层白色) 8 layers black(8层黑色) 8 layers white(8层白色) simple type: 2 layers of gray(简易款：2层灰色) widened style: 6 layers black(加宽款：6层黑色) widened style: 6 layers of white(加宽款：6层白色) widened style: 7 layers black(加宽款：7层黑色) widened style: 7 layers of white(加宽款：7层白色) widened style: 8 layers black(加宽款：8层黑色) widened style: 8 layers of white(加宽款：8层白色) simple type: 3 layers of gray(简易款：3层灰色)

space-saving [small floor area]](省空间【占地面积小】) daily price [small floor area]](日常价【占地面积小】)