Rope roller system for opening and closing. Avacado Centre pole umbrellas provides a stable shading solution that is more resistant to strong winds than cantilever umbrellas. They are ideal for use in gardens, patio, pools, on terraces and even on the beach. Centre pole umbrellas are great table umbrellas positioned in the middle of a table. Additionally they work well as Hotel Umbrellas such as pool umbrellas and beach umbrellas next to sun loungers.