This is our 15ft patio double-sided umbrella which will be your ideal companion and can provide all-day shade enjoyment. Made of high quality iron and polyester fabric, this outdoor twin umbrella can withstand long-term use. Double-sided design with 15ft width brings larger shade area and better protection. You can open and close the umbrella effortlessly thanks to its handle crank. In addition, this patio umbrella is equipped with a weighted base which consists of a metal frame, two sand bags and a cover to enhance stability and wind resistance. Enjoy happy outdoor time under our patio umbrella!Features:Canopy is made of premium polyester fabric, sun-resistant and wear-resistanceConvenient fixation strap to hold the canopy when not useEach sand bag can be filled with 90 lbs sand (sand exclude)Provides better air circulation with air vent on the topOffers a large shade area with double-sided design