Main Pole :
steel ,8 ribs,13x22mm；
180G/m² polyester，without flap with air vent;
with 360°turn stand , with cross base；
1.Premium and Heavy-duty Polyester Fabric - The offset umbrella surface is made of anti-UV 100% POLYESTER FABRIC (200g in weight)，which can provide 98% UV PROTECTION.Other than this，good faded and waterproof properties making this cantilever patio umbrella a smart buy.
2.All-iron umbrella bones and 8 sturdy heavy-duty ribs - Anti-oxidation spray painted makes it last longer.And weather resistant design provides this offset umbrella more stability than other patio umbrellas.