Grand patio 10 FT Offset Umbrella, UV Protective Pool Umbrella, Aluminum Cantilever Umbrella Crank Air Vent, Red 10Ft offset patio umbrella, enough shade to one table with 6 chairs. Weather-Resistant, fade-resistant and UV protective and shade with air vent. 1.9 thick powder coated aluminum pole, 7 thick rust-free cantilever and 8 heavy duty ribs support the cantilever patio umbrella stable. Easy to open and close smoothly with the crank and cantilever operation mechanism. Including cross base, still needs to be secured with blocks or sandbags