About this item UPF 50+ UV Protection Umbrella. UPF 50+ high rating blocks 99% of UVA and UVB rays; the curtain on the periphery of the umbrella provides a larger area to shield you from rays; 190T high density fabric with silver coating reflects heat to cool you down. This sun umbrella protects your skin to a greater extent and keeps you cool Universal Adjustable Clamp. The clamp can be installed vertically or horizontally , Universal to connect the square and tubular surfaces of armrest or support of the beach chairs, golf bags, wheelchairs, strollers, courtyards, boating, scooters, etc. Spring in the bottom handle allowing the umbrella to adjust to the right angle. The maximum clamp diameter is 1.4 inches Large Chair Umbrella. This shade canopy umbrella is 56 inch in arc canopy, 48.8 inch in diameter. Come with a portable carrying case, easy to carry and transport Stable and Sturdy Structure. This clamp on umbrella skeleton is made of fiberglass and metal material, lightweight, flexible and strong for performance. In addition to being fixed on a stroller, the umbrella with clamp removed can also be used alone One Year Warranty. The G4Free stroller umbrella is wind-proof, rain-proof and sun-proof. It is an excellent choice for pushing a stroller out of the house, giving your baby better care. We stand behind the durability of this product and provide a one-year warranty to it, welcome to contact us for any question. If you meet any problem with the Universal Clamp, please feel free to contact us, a new replacement Clamp will be sent to you.