AMMSUN TSD 1606 Umbrella Hook for Towels/Camera/Bags,Blue Fits beach umbrella poles from 0.75" (19mm) to 1.1" (28mm) diameter Keeps your valuables off the ground and away from water, sand, or dirt No tools needed Dimensions: 3.35"*3.35"*2" , Weighs: 0.1lbs