The 50-lb Umbrella Stand is constructed with a concrete base and a steel cover and neck to provide a solid foundation for your umbrella. With a 22 inch diameter base, your umbrella won't escape with the wind. The neck diameter is 1.75 inches which will securely hold a 1.5 inches diameter pole. The stand has a powder-coated finish and is available in your choice of a variety of colors. California Umbrella California Umbrella is known for producing high-end, quality patio umbrellas and frames for over 50 years. The California Umbrella trademark is immediately recognized for its standards in engineering and innovation among all the brands in the United States. Their umbrellas are constructed to give the consumer many years of pleasure, and its canopy designs are limited only by the imagination. California Umbrella is dedicated to providing artistic, innovative, fashion-conscious, and high-quality products for all your needs.