Ensure your cantilever umbrella is always held firmly in place with this rolling umbrella base from Outsunny. Made from strong HDPE plastic for reliable outdoor use, fitted with wheels to roll easily when full. Fill the heavy duty umbrella base with water or sand to ensure it keeps the umbrella standing steady. Whether it's for the garden or patio- this offset umbrella base will ensure the cantilever umbrella be kept upright for as long as you need.