Auto tilt crank umbrella 9 feet. Structure: Alum. standing pole 38/38*1.0mm, 8 steel ribs 12*18mm, crank to open, keep cranking and the umbrella tilt automatically. Tilt material: zinc die cast. LARGE SHADING AREA: 9 feet octangole Fabric: 180g solution dyed polyester,water repellence, UV30+, color fastness 500H, grade 5-6. Single air vent. Base is not included. Lighting, contrast and color display may cause color difference.