Material: The balcony umbrella clip is made of metal, with electroplated surface, strong oxidation resistance, and not easy to rust. COMFORTABLE: Use this umbrella holder to fix your umbrella to your balcony railing to provide sun protection and comfort to your balcony Easy installation: the balcony umbrella stand can be quickly and easily installed on handrails, balustrades of balcony, etc., and can be changed position. Adjustable: Umbrella holder clips make it easy to adjust the umbrella, and adjustable screws ensure a completely secure fit. Prevent Damage: The umbrella base is indirectly connected by the clamping surface to prevent damage to the umbrella The sun-opening umbrella stand can be clipped anywhere you want, and the umbrella can be easily attached to balconies, patios, pool decks, brackets, benches, tailgates, boats, utility poles, fences, etc. You can put more flowers on the balcony thanks to the fixing on the balcony railing. umbrella stand silver. - material: metal.