Heavy-Duty Water/Sand Cantilever Umbrella Base Plates Set of 4These cross base umbrella base plate weights are the perfect solution for weighing down the cross base of a patio umbrella! Sold in a set of 4, choose to use all 4 to weigh down the base or use one on each side. Each plate features a durable plastic construction with an easy fill spout so each base weight can be with 33 lbs of water or 50 lbs of sand. In addition, each plate also has a metal handle making the plates easy to carry. Dimensions: 20" wide