[WATER OR SAND] Fills with up to 168lbs (65L) / 17 gallons of water or sand. Transports easily when empty. Overall Dimensions: 38(97cm) L x 38 (97cm) W x 4.7 (11.94 cm) H. Total weight including the base itself is 168lbs (76 kgs) when fully filled. [HEAVY-DUTY HDPE CONSTRUCTION] Fabricated from reinforced HDPE plastic to withstand the elements for years to come. Contains 4 interlocking easy-to-move panels. [OFFSET READY] Unlike other traditional 4 panel offset umbrella bases, this base forms one solid piece without gaps. Ideal for most cantilever/offset umbrellas sized from 6 - 11ft in diameter. [SLEEK DESIGN w/ HIDDEN SPOUTS] Neatly recessed into the bottom of the panels, this base hides all visible filling spouts. [LIFETIME USA SUPPORT] Whether youre kickin it with a cold one on the patio after a long day, hosting a dinner party or relaxing by the pool; Home Zone Living support is standing by in Atlanta, Georgia to help keep your outdoor space pristine.