three-layer height 80cm black/double-layer folding column three-layer height 103cm black/double-layer folding column four-layer height 118cm black/double-layer folding column four-layer height 138cm black/double-layer folding column four-layer height 183cm black/double-layer folding column four-layer height 160cm black/double-layer folding column five-layer height 183cm black/double-layer folding column five-layer height 160cm black/double-layer folding column five-layer height 198cm black/double-layer folding column six-layer height 183cm black/double-layer folding column six-layer height 198cm black/double-layer folding column

length 40 width 30cm [bold thickening stable upgrade]] length 50 width 30cm [bold thickening stable upgrade]] length 60 width 30cm [bold thickening stable upgrade]] length 50 width 40cm [bold thickening stable upgrade]] length 70 width 30cm [bold thickening stable upgrade]] length 60 width 40cm [bold thickening stable upgrade]] length 80 width 30cm [bold thickening stable upgrade]] length 70 width 40cm [bold thickening stable upgrade]] length 90 width 30cm [bold thickening stable upgrade]] length 100 width 30cm [bold thickening stable upgrade]] length 80 width 40cm [bold thickening stable upgrade]] length 90 width 40cm [bold thickening stable upgrade]] length 120 width 30cm [bold thickening stable upgrade]] length 100 width 40cm [bold thickening stable upgrade]] length 120 width 40cm [bold thickening stable upgrade]]