Strong and wind-resistant 10-bone umbrella frame, made of high-density corrosion-resistant material, with reinforced composite treatment at the joints, flexible and windproof. Specifications: Umbrella cloth material: impact cloth Umbrella rib material: steel Medium rod material: steel Umbrella handle material: rubber Number of ribs: 10 bones Open method: automatic Umbrella collection method: automatic Color: Haze Blue/Green/Navy Blue/Black/Red/Purple Product size (L x W x H): 33 × 8 × 8cm / 13 × 3.1 × 3.1inches Spreading size: 100 × 63cm / 39.3 × 24.8inches Product weight: 440g Package includes: 1 x Automatic Umbrella