This 15-foot market umbrella provides the largest multi-position shading and settings, opens easily and quickly, and your outdoor living space will cool down in time. It is waterproof, anti-ultraviolet, and windproof. When used at night, turn on the switch to enjoy the charm of the light umbrella. Umbrella base link :https://ainfox.com/products/rectangle-outdoor-patio-umbrella-base-for-15ft-umbrella