PRODUCT FEATURES: Prevents wind-induced tilting or shaking and helps your patio umbrella stay upright.
WIDELY USABLE: It is suitable for any patio table, sunshade, patio umbrella, or even more options are available.
SUITABLE SIZE: It is suitable for 1 1/2 inch /?38 mm?diameter umbrella rods; the base diameter would be 1.9 to 2.7 inches.
DURABLE MATERIAL: It is made of weather resistant high-density rubber.
EASY TO INSTALL: No skill required, it just takes a few seconds to install.(lubricant/oil/vaseline may help)