Yaheetech 4-PCS Heavy-Duty Umbrella Base Square Cantilever Offset Patio Umbrella Stand - Outdoor Banana Parasol Umbrella Base Weight Water or Sand Filled for Garden Lawn Backyard Market, Black - YT-00113670

• Sturdy 4-plate design: Made with interconnecting pins to lock your umbrella base in place and secure it for long-term service, bringing you hours of enjoyment. Suitable for cross base, generally used for large outdoor umbrellas. Triangular-shaped black weight plates: The 4 triangular-shaped black weight plates are designed to fit in a cantilever umbrella cross base and give the base a square shape when placed in each slot. The weights filled with water or sand will provide an appropriate amount of weight needed to stabilize your offset umbrella. Different weight capacity: When all 4 plates are filled with just water the weight is approximately 44kg/97lbs. With just sand, the total weight is approximately 60kg/132lbs. With water added to make wet sand, the total weight is approximately 70kg/154lbs, so your patio umbrella will remain upright in heavy winds. Flexible placement: By filling these weight plates and securing them to the cross base, the patio umbrella can be placed in any position you want. It gives you the safety that it will support the umbrella in any position. Non-skid design: There is a non-skid design at the bottom of this patio umbrella base to increase stability and adapt to different ground situations.