The beach umbrella is made of UV protective and anti-fade polyester, perfect for blocking out the harmful UV rays of the sun. The rib of the umbrella can sufficiently support the canopy. A firm supporting nail is fixed on a pole when stretched. This umbrella can also be mounted on your existing stand or in the center of tables if holes available. The umbrella can be adjusted to any direction with tilt function, which provides you with optimum protection against the sun. California Proposition 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov. The beach umbrella is made of UV protective and anti-fade polyester, perfect for blocking out the harmful UV rays of the sun. The rib of the umbrella can sufficiently support the canopy. A firm supporting nail is fixed on a pole when stretched. This umbrella can also be mounted on your existing stand or in the center of tables if holes available. The umbrella can be adjusted to any direction with tilt function, which provides you with optimum protection against the sun. California Proposition 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov. Color: Anthracite/sand yellow/Blue/Green/sand yellow and white/Blue and white/Green and white/Anthracite and whiteMaterial: Polyester.Total height: 86.6".Arc length: 94.5"Umbrella diameter: 81.5". Weather and UV resistant.TiltingAssembly required: Yes Color: Anthracite/sand yellow/Blue/Green/sand yellow and white/Blue and white/Green and white/Anthracite and whiteMaterial: Polyester.Total height: 106.3".Arc length: 118.1"Umbrella diameter: 104.3". Weather and UV resistant.TiltingAssembly required: Yes 81.5" 104.3"