• 4 universal wheels enable easy base movement without lifting • 2 locks secure the base to prevent unwanted shifting • Wheels keep the umbrella base level for tilt-free support • Large side spout allows up to 176 lbs fill to stabilize • Filling with mixed materials offers ultimate outdoor stability • With 2 adapters and a tube, fit 1.4", 1.5", and 1.9" tubes • Offers secure support for 6-10 ft/180-300 cm market umbrellas • HDPE materials resist sun and water for long durability • Metal tube adds strength, built to last • Recessed slot stores pole compactly for space saving • Lightweight 13.5 lbs empty weight eases off-season storage