This 18 in. Heavy-Duty Round Umbrella Stand from Alpulon is perfect for supporting your beloved umbrella to beautify your surroundings. This umbrella holder is designed for a key ring and is made of resin material, which is very strong and durable. The round base is designed to be large enough to support an umbrella, and the hand-turn knob on the side is used to secure the umbrella to the base. This umbrella holder can fit umbrella diameters of 1.5 in. and 1.9 in.