1.Fiberglass frame 2.Umbrella AutoFunction Makes For Easy 1 Handed Use: We built our travel umbrella with an automatic operation system, opening and closing with just the touch of a button. No more dealing with the hassle of manual rain umbrellas; easily closes to make getting into cars and buildings a breeze 3.this unbreakable travel umbrella's 12 reinforced fiberglass ribs hold up against the elements 4. our compact umbrellas for rain are known for their durability, functionality, and sizeHeavy Duty Umbrella Stands Up to All Weather: Our all umbrella is engineered for battle. Our windproof umbrella features a double vented canopy that allows winds to pass through without giving or breaking to keep you dry 5.Mother Nature Is No Match for Our Folding Umbrella's Teflon Canopy: Our automatic umbrella is built with a Teflon coated double vented canopy that sheds water and resists the harsh punishment of the