Number of ribs: 8 Umbrella cloth material: polyester and silver dumb rubber Net weight: about 43 g Expansion range: about 25-28 cm or 9.84-11.024 inches. Height: about 22 cm or 8.66 inches Specifications: 1. Waterproof and Anti-permeability: for exquisite life: this umbrella is a protective and anti-permeability umbrella for mobile phones. Anti-permeation, imitation lotus leaf waterproof effect. 2. Ultraviolet Rays Block: Silver matte glue blocks ultraviolet rays.3. Firm and Sturdy: Eight bones are firm, stable, smooth and safe to retract. 4. Cute Craft Umbrella: A very cute craft umbrella, which can be used to decorate the environment and beautify the space. An artistic pocket-sized umbrella, tied to the base of the bracket with a tie, can shield the phone from the rain and the sun. Package Included: 1 x Motorcycle Umbrella Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store