This high-density Hdpe plastic umbrella base secures your umbrella in windy conditions with a connective plate for even weight distribution. Compatible with most 6.5 to 8 ft umbrellas, it includes three Pvc sleeves for a perfect fit. The base offers easy mobility with 360° rotation, handles, and wheels. Fill it with up to 64 lbs. of sand or 50 lbs. of water for added stability. The pyramid design ensures water runoff and blends seamlessly into outdoor spaces like patios. Dimensions: 20" x 20" x 6.5". Manual and tool included for easy assembly. (Sand and water not included).