• Large capacity reservoir can stabilize your cantilever umbrella with multiple filling options • With a filling capacity of 220 lbs of water, 310 lbs of sand, 348 lbs of water and sand • Fits 8-10 FT cantilever umbrella • High-quality HDPE material is non-fading and anti-cracking • 4 smooth rolling wheels and 2 cut-out handles ensure easy mobility • 2 large filling spouts ensure quick filling • Easy to empty with 2 convenient side outlets • No assembly required with integrated cross bracket