A parasol has 3 main parts that come in different materials, as follows:
The canopy - 4 types of materials - polyester, Spuncrylic, Recasens and Ferarri 502 PVC Vinyl®. Each parasol has its own 'Canopy' tab where you can see the canopy materials available for that product.
The bases - depeding on the budget and taste, you can choose between 3 types of materials: concrete, granite and metallic (for the inground base or plinthit). Some models have a 4th option - plastic base that can be filled with water or sand.