Specs:  Color: Blue,Grey,Khaki Material: Steel,polyester Qty of umbrella rib: 6 pcs Size of rib:18.9”L X 0.71"D Provides excellent UV resistance and is water-resistant up to 800 pa’s of pressure. Package include: 1 x Offset umbrella  2 X sandbag 1 X cross base If you need umbrella base pls order via this link : https://ainfox.com/collections/umbrella-base/products/ainfox-black-square-metal-polyester-300d-oxford-cloth-patio-umbrella-bases