1. Types of Umbrellas by Material (Most Requested in Al-Ahsa) Fabric Umbrellas (PVC / Polyethylene): PVC (German and Korean): Considered the first choice for cars and government and private projects in Al-Ahsa. It is characterized by its high resistance to ignition, 100% prevention of rainwater leakage, and heat reflection. Polyethylene (Australian): A perforated fabric that allows air and wind pressure to pass through while providing a high shade percentage of up to 95%. Excellent for rest areas and gardens because it reduces the intensity of stuffiness. Shinko or Sandwich Panel Umbrellas: