Diamond Teak Parasol 3.5 metre diameter... ALL OUR DIAMOND PARASOLS CONFORM TO THE UPF 40+ REQUIREMENT BY BEING UPF 50+. DOWNLOAD OUR TEST REPORT TO SEE THE RESULTS!  FREE FITTED WEATHER COVER INCLUDED IN THE PACKAGING CLICK HERE TO READ OUR BLOG POST ON WHY UPF RATINGS MATTER!  The Teak: Teak is far superior to any other timber for use outdoorsit has a very high natural oil content and very dense grain making it less likely to crack or split with exposure to the elements over time. High Quality Specifications: Laminated Poles are 48mm in diameter for robust strength. Battens and Ribs are chunky for added strength, (20mm x 35mm). All hardware, fittings and pulleys are made from solid 304-grade stainless steel for greater durability in all weather conditions. Restore your parasol to new should any of the spars snap or break with easy spar replacement. Marine Grade pull-cord making it strong and weather resistant. A 4-Pulley System easily raises and lowers the canopy.