umbrellas canopy and privacy screens add shade and privacy enjoying life outdoors means being exposed to all of nature's pros and cons - not screens help give you more peace of mind all our umbrellas have polyester fabric with uv protection here's what our different sun upf 50+ upf 25+ upf 15+ excellent protection 50+ fabric it blocks 98% of the ultraviolet radiation very good protection 25+ fabric it blocks 96% of the ultraviolet radiation of the ultraviolet radiation