\"\n>Artificial Stone: The resin stone composite as the main material with better durability and wearing resistance for longer using\n>Adjustable Pole Holder: This rolling umbrella base includes two plastic fasteners to allow it to fit both 1.5\\" and 1.89\\" diameter umbrella poles, almost all market umbrellas\n>Wheels with Lock: The four wheels underneath the base facilitate moving while the lock on the wheels provides stability and safety in using\n>Easy Assembly: The base is easy to install and use, a hand-turn knob for securing umbrella to the base. No need for water or sand to fill and space-saving for storage\n>Overall Dimensions: 20.5”(DIA) x 16.1”(H), the product weight is about 52lb\"