Quik Shade Summit S100 Instant Canopy 10x10 Feet Large, heavy duty frame with elegant design Super Vent top construction increases air flow and cooling properties of the canopy Improved dual reinforced eave assembly for maximum strength and rigidity Patented reinforced extra- large push/pull leg extenders and sliders Easier opening reinforced extra pivot and PTFE washer assembly including corrosion resistant hardware with lock nuts on all eaves and sliders