If your parasol is not stable enough, this removable parasol base is just what you need. You can fill the base with sand or water to enhance its sturdiness, and you can adjust the filling amount as needed during use. It is also equipped with 2 wheels under the base for easy movement and transportation. Just attach the parasol to the base and you can spend quality time in the shade without any worries. - Garden Sanctuary Rectangle Water & Sand Filled Plastic Parasol Base（Pole is not included） in Black