This is a 'heavy duty' umbrella from Fulton. It has a windproof vent cover which prevents inversion in windy conditions. The extra large cover - it is a generous 131cms when open is constructed from high performance pongee polyester fabric. The frame is very light, weighing only 650gms, but being made of fibreglass is also very strong. The manual frame is made up 8 ribs which are 75cms in length, and the extra strong shaft is 14mm in diameter. It has a 'pinch proof runner' and is also rustproof. The length when closed is 99cms. It also has a comfortable easy to grip rubber handle.