Backyard Expressions 17L Round 18" Water/Sand Fillable Patio Umbrella Base Stand

FILL WITH WATER OR SAND: Base can be weighed down with up to 50 pounds of water or sand to make it very sturdy. HIGH-QUALITY MATERIAL: Made of strong and light HDPE plastic to last for years to come. ONE SIZE FITS ALL UMBRELLAS: Base features a steel pipe that accommodates all market umbrellas; ideal for holding most 6-10' umbrellas with 1.5-1.9" pole diameters TIGHT FIT & STABILITY: Tighten the adjustable knob to the specifications of your umbrella to ensure a tight and stable fit every time. EASY STORAGE: Simply remove the steel tube for a slim design that lets you store the base in compact space during the winter and other times of non-use; 18"(Dia)