Moving fabric roof: Let in as much or as little sunshine through the top of this garden pergola. Grommet holes for water drainage. 2 x 3(m) wall-less steel frame: Mounted to the wall, plenty of room for bringing everyone together inside this pergola with retractable roof. Steel frame: Powder coated for extra strength, metal pergola stands steady in place. Mounting accessories included: Use the 4 included ground stakes for grass, or the 4 ground expansion screws for anchoring on wood decks, concrete, or brick, and 8 wall expansion screws for secure wall mounting. Get rock-solid stability everywhere. Overall dimensions: 220Hcm x 297L x 211W. Column spacing: 285L x 200Wcm. NOTE: For better durability, please retract the pergola canopy and secure it with straps during rain or snow to prevent damage.