Do the winds often disrupt your peaceful outdoor experience?. Compatible with all umbrellas, including cantilevered and crank umbrellas. Ultimate Protection for Outdoors. Unit Quantity: 4.00 count Features: Adjustable Height,Durable,Wind Protection,Fixed Strap,Adjustable,Easy Installation,Optimal Protection,Prevent Rotation,Extend Service Life,Secure,Lateral Stability Type: Cantilever Parasol Colour: Black.