3layer umbrella for more ventilation.Humanized crank design, using the handle up and down to control the opening and closing of the umbrella. Convenient crank open/close system even easy to use for kids and the elderly. Keep the sun at the back in the daytime Sturdy Structure 8 steel ribs provide perfect support for the large outdoor umbrella. Easy Operation This market umbrella has a crank mechanism, you can easily open and close the umbrella in a few seconds by rotating the crank handle. No base are included and lightweight. Aluminium 10ft 3 Tier Auto-tilt Umbrella ( KHAKI) Color KHAKI Product Dimensions 115.75 " x 98.43"H Special Feature EASY ADJUSTMENT Recommended Uses For Product Backyard, Poolside, Lawn and Garden Frame Material Aluminium Unit Count 1 Count Maximum Weight Recommendation 100 Pounds Fabric 180g polyester Carton size Item Weight 13.9LBS/11.7LBS Country of Origin China 100% polyester canopy fabric Aluminium Umbrella 3 Tier Auto-tilt Umbrella For more ventilation