This fillable umbrella base stand offers reliable stability with up to 54 lbs of sand or 36 lbs of water, keeping your umbrella secure in wind and rain. Four smooth-rolling universal wheels, two with locking brakes, allow easy mobility and placement. Built from durable, weather-resistant PE material, it features a reinforced bottom for added strength and longevity. With two adapter sizes and a tool-free setup, it fits most umbrella poles and ensures quick, hassle-free installation.
- The fillable umbrella base has an injection hole on the side, with a maximum capacity of 36 lbs with water and 54 lbs with sand, can resist strong winds and heavy rain, always remaining stable. 
- There are 4 universal wheels, so you can effortlessly move the umbrella base and umbrella around, 2 of the wheels are equipped with brakes that keep the mobile market stand in place. 
- Made of premium and high-strength PE material, the square umbrella stand is weather-resistant and built to last, the bottom concave hole design can support the surface of the umbrella base for enhanced hardness and non-deformability. 
- This mobile umbrella base stand has 2 receivers with a diameter of 1.5" and 2", fits the vast majority of umbrella rods and can accommodate the umbrella rod diameter of 1.25" or 1.9". 
- You just have to insert the tube into the hole, put in the receiver, tighten the fixed knob, fill the umbrella base with water/sand, and then close the cover of the water injection hole, the screw-in structure without any hardware required provides you with easy installation.