MOVE 300+ lb UMBRELLAS WITH EASE - Built-in caster wheels make it easy to roll even the heaviest cantilever umbrellas into place. Two locking wheels keep your setup secure and steadyUNIVERSAL FIT, COMPATIBLE WITH ALL BRANDS - Offers an innovative, ready-to-use mounting-hole pattern that accommodates both U.S. and European umbrella styles, ensuring seamless compatibility with all cantilever and offset umbrellas (6ft-15ft).SUPPORTS 360 ROTATION - Designed for ultimate versatility, this base supports all cantilever and offset umbrellas, with or without foot pedal rotation. One base, endless options-perfect compatibility, every time.REFILLABLE RESERVOIR - Two easy-fill spouts allow you to effortlessly fill this base with up to 330 lbs of sand or water, adding exceptional weight and support to keep your umbrella securely anchoredWEATHER-RESISTANT MATERIAL - A rugged HDPE plastic construction leaves this base ready to resist wind, weather, and outdoor conditions while keeping your umbrella s