Umbrella Hook for Hanging Towels / Bag / Camera - pole diameter 1 to 1.5 inch Fits poles up from 1" (32mm) to 1.5" (36mm) diameter Keeps your valuables off the ground and away from water, sand, or dirt No tools needed Dimensions (inches) 4.75W x 4.75H x 2H ; Weighs 1.5 oz