Knirps 881-100 Flat Duomatic Umbrella, One Size (Black) Opening: Push-button auto open-close Length Closed:10.5 inches; Canopy Diameter:36.5 inches; Canopy Arc:41.5 inches; Weight:9.4 oz Super-lightweight Folds flat for space-efficient packing (depth - 1.5") Ergonomically shaped handle for comfortable grip