19.5 Inch Fillable Round Umbrella Base Stand for Yard Garden Poolside-Black

. Designed with a large reservoir that can be filled with sand or water to add stability. Comes with a built-in handle on the bottom, only weighs 5 lbs, easy to carry. Equipped with protective pads on the bottom, keeping the umbrella base stable. Made of high-strength HDPE material, waterproof, aging-resistant, durable enough. Equipped with 2 plastic inserts, suitable for most umbrella poles 1.5"/1.9". Equipped with 2 hand-turn tightening knobs for securing the umbrella on the base. Suitable for various residential and commercial uses: patio, garden, coffee shop, etc