Our Ainfox Heavy Duty Outdoor Universal Umbrella Base is designed to keep your patio umbrella base stable. When filled with sand, the weight can reach 96 pounds. When filled with water, it can weigh up to 67 pounds and maintain the stability of the umbrella in strong wind conditions. Fearure: Material: HDPE and steel Adapter diameter: 1.5~1.9in Product size :21.7 x 21.7 x 5.5in The weight when filled with water: 67 lbs The weight when filled with sand: 95 lbs Product package size: 24.41 x 6.89 x 22.44in G.W.: 8.598 lbs N.W.: 6.834 lbs Package includes: 1 x water/sand-filled umbrella base