RAINGLORY umbrellas is designed and produced by our professional umbrella manufacturer to ensure you get fully protection in any weather condition. Concerning of the strong wind, except using the vented canopy to decrease the wind drag ,simultaneously we upgraded the umbrella frame from single fiberglass sturcture to twin fiberglass structure to against the fierce wind. A wider tieband is stiched on canopy to better tied the umbrella. This umbrella just 11.5 inches long and weight only 0.9 lbs so it is easily to carried and put into any purse or bag wherever you go. Considering that umbrella usually get wet after use, people has problem to store it right away, we add the telfon coating on cover surface so you could easily shake off 99% waterdrips after use and put it into your bag or purse without worring wet other items. What RAINGLORY umbrella do is to give an ultimate protection to our customer. A lifetime free replace policy has been committed by RAINGLRY when people are holding an RAINGLORY umbrella.