Product details:

Programmed, COMPACT, AND LIGHTWEIGHT - Auto open/close capacity takes into account simple one-gave task. Estimating simply 11.5" long and weighing under 1lb the collapsing handheld umbrella is very packable in satchels, attachés, knapsacks, gear and that's just the beginning

WIND-DEFYING 9-RIB CONSTRUCTION - Most little or small umbrellas are made of 6 or 8 aluminum ribs yet Repel is sustained with 9 pitch strengthened fiberglass ribs that flex somewhat to withstand amazing blasts without turning back to front