Compact - UltraLight - All Weather - UV Umbrella - Lab Tested UPF 50+ -Built in UV Detection- Silver UPF 50+, Lab Tested to block 99.99% of harmful UV-A and UV-B rays Super-lightweight (6.5 oz) & Compact Double layer UV coating to enhance UV protection Built in Visual UV detection technology The UltraLight has a 37" Diameter of coverage with a 20.5" shaft