This umbrella made of thick steel pole and quality polyester, which is antitrust and waterproof that great for outdoor use. The 15ft patio double-side umbrella provides an ample shade to keep you cool and protect from hot sun. The extra large double-sided design also matches your desk and chair and provides more shade area.assembly is easy and can be done without the aid of tools.
- This 15 ft wide patio umbrella features a double-sided design, which gives you maximum shelter that brings you double shades for your outside enjoyment 
- This frame of this patio double-side umbrella made of thick steel with powder coated, which is anti-rust and great for outdoor use 
- The canopy is made of high quality fabric, which is fade-resistant, weather-resistant and durable enough for outdoor use 
- The frame is black powder-coated,it has a plastic base and a steel cross base,the base cover is 140 grams of black polyester 
- This patio umbrella with large shade is great for garden, backyard, poolside and beach