Fabric: The canopy is made with a fade-resistant solution-dyed polyester. The canopy also provides UV protection as well as water resistance. Frame: Powder-coated pole and six heavy-duty ribs support the umbrella shade. Patented Design: Patented Top-Safe lock and patented steel rib design extend the life of the umbrella. Secure with velcro straps: When the umbrella is closed, secure it tightly with the sewn-in straps.