OCEANA&SP Travel Compact  Golf Windproof Resitant Umbrella For One Handed Operation with Slip-Proof Handle polyester Imported OCEANA&SP Umbrella made of 210 Polyester Taffeta waterproof fabric which is much more sturdy and durable than 190T fabric. 8Pcs Aluminum ribs with resin Reiforced fiberglass ribs than the Iron and Stainless Steel Ribs .This is the only one umbrella No rust you will need. HEAVY WINDOWRESITANT-- Even after testing with 400 open and close cycles, there was no performance degradation. Close examination after testing showed no shrinkage or anomalies within the fabric or the structure. We did not release this umbrella until all of our rigorous testing was completed.we have stend to laboratory to tested and we have test report .This is the windproof Umbrella you have to choose from us. AUTOMATIC OPEN CLOSE FUNCTIONALITY -- The push button open/close mechanism responds in less than a second. Push once to automatically open the umbrella, press again to instantly close. This allows for quick and easy one handed operation and keeps you perfectly dry when you have your hands full! No more waiting for your umbrella to open or close while you get soaked by the rain! COMPACT TRAVEL UMBRELLA -- In The Car, RV, Golf Travel Or Boat ,School Book Bag, Bus Stop ,Outside Work&Sport, Gardenin Baby Stroller, Diaper Bag,Hiking, Camping, Hunting,Business Brief Case, Laptop Bag Luggage, Business & Vacation Travel,Lightweight Kids Can Use,Covers 2 Adults Comfortably,Can be ready for mens womens on anywhere . LIFETIME REPLACEMENT GURANTEE -- You are protected for life from the rain, sleet and snow, through our lifetime replacement guarantee program.