office chair dormitory seat sitting armchair household mahjong chair wholesale mesh body computer chair chair

black frame black net (width and thickness lumbar support) black frame gray net (width and thickness lumbar support) white frame black net (width and thickness lumbar support) white frame gray net (width and thickness lumbar support) black frame black net (width and thickness lumbar support) + lifting headrest black frame gray net (width and thickness lumbar support) + lifting headrest white frame black net (width and thickness lumbar support) + lifting headrest white frame gray net (width and thickness lumbar support) + lifting headrest

standard model standard (latex cushion)