Enjoy leisure time with your family and friends under the shade!Measuring 15ft x 9ft, our double-sided umbrella provides a wide coverage of shade to allow several people getting together to chat under sunny days. Besides, the patio umbrella comes with sturdy metal structure and sun-protective fabric, which can ensure high durability and protection. And the bottom base is constructed with a crossed metal frame, 2 sand bags (a filled sand bag weighs 90lbs) and an external cover, so you don't need to buy an enhanced base additionally. Furthermore, this outside patio umbrella has user-friendly crank mechanism that helps you to open and close the umbrella with ease by rotating the crank handle. In a word, our patio twin umbrella is perfect for outdoor use, such as backyard, garden, poolside and fairground.