Water Bag for Feather Flag Base Collapsible Flagpole Base, Round 18“ Weight Bag for Photography Stand

["Unique Design: Feather flag Base include sealing rings to prevent leakaging. Five-Layer thickened PVC materia by high frequency heat sealing process, stitch-locked seams edge for extra sturdiness, and can use for a long time","Strong Stability:Feather flag Base Water Bags has an inside diameter of approximately 4 inches and an outside diameter of approximately 18 inches, please check the size before purchasing.Add up to 20 lbs of extra gravity to your existing Feather Flag and umbrella base","Space-Saving For Storage: The water bag can be folded, easy to fold and store when not in use, you can also fold the beach umbrella water bag into a small piece, convenient for you to carry","Use Scenario: The water weight bag is suitable for photography stand light tripod, outdoor terrace, beach, sports, movie sets, on-site production","Note: Do not throw water bags from heights.Instant impacton water generates strong explosive force, which mayrupture the bags,the water weight bag does not include the stand"]