The 2.5m Crank and Tilt Shanghai Parasol can be used within your dining tables or as a free-standing parasol provided you use a weighted base (not included) to keep the parasol in place. This product features an easy to operate crank and tilt system which will help you to adjust the canopy position when required. We always recommend that the parasol remains closed when not in use and is always kept closed in windy conditions.