thickened iron bunk bed height-adjustable bed construction site staff dormitory students bunk bed double-layer profile bed pressure bed

matte black single layer 900 matte black single layer 1000 matte black single layer 1200 matte black single layer 1500 matte black double layer 900 matte black double layer 1000 matte black double layer 1200 matte black double layer 1500 elegant white single layer 900 elegant white single layer 1000 elegant white single layer 1200 elegant white single layer 1500 elegant white double layer 900 elegant white double layer 1000 elegant white double layer 1200 elegant white double layer 1500

thickened bed board closed thickened bed board