Additional features Measures: 22 diam. x 17.5H inches Tip the stand onto wheels to move it to desired location Use caution in high winds as freestanding umbrellas are notas well-supported as those used with a base and a patio table Some minor assembly is required Sleek and functional the Treasure Garden 80 lb. Umbrella Base with Wheels is designed to support any freestanding umbrella up to 9 feet. Crafted of durable cast aluminum this base has a protective powder-coated finish to keep it looking great. There are wheels on one side so it's easier to move around when you need to - just tip the stand up on its wheels and drag it to your desired location. The neck of the base will fit umbrella holes up to 1.5 diam. inches. We recommend you use caution when using this umbrella base with a free standing umbrella in windy areas. Just remember a freestanding umbrella with a base has less support than one used with a base and thru a table. About Treasure GardenWith locations in Baldwin Park CA in the U.S.A. and in Ningbo China Treasure Garden has evolved into the largest shade products manufacturer in the world. As a small business in 1984 Treasure Garden built a strong foundation of attributes focusing on innovation quality and value. Today Treasure Garden still emphasizes those principles that determined the domestic and international success of the company.