The Water Fillable Base For Cross Base Cantilever Parasol is made from Polyresin. This cantilever parasol base is the perfect finishing touch for your cantilever parasol. Each of the 4 square pieces are lightweight allowing you to easily put them in place. They can then be filled with water for a combined weight of 20kg to keep your cantilever parasol firmly on the ground. Royalcraft Water Fillable Base For Cross Base Cantilever Parasol - Set of 4 in Black