Specifications Place of Origin China Main Color Navy Blue Main Material Steel Use Case Garden Outdoor Dangerous Goods #dangerFlag# Dimensions Weights Assembled Length (in.) Not Applicable Assembled Width (in.) Not Applicable Assembled Height (in.) Not Applicable Weight (lbs) Not Applicable Product Features 100% polyester canopy fabric Aluminium Umbrella 3 Tier Auto-tilt Umbrella for more ventilation Description 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 ( Navy blue )