UMB-33; square is a aluminum Parasol . AII plastic Parts in the Frame 2 year warranty against Brekage,used in Produktion row Materials same as aıı over the World, which are manufactured from ABS and POLYAMID PA6 Prime. Centre Pole is 50 diameter and white powder paint coated. Press a button then push it up to open your Parasoı to use it The Wind can be evacuated by air window in the top of the Parasol. You can use safety your Parasol in the windy Weather