Sun Umbrella Best choice for advertising and promotion with our good silk screen, painting,heat transfer printing technology Sun UmbrellaBasic size:36'',40'',48'',52'', 54'',60'',70'' etc optionalFabric: Polyester, Oxford, Pongee, Nylon, TNT, Cotton, Canvas optionalUmbrella rib: diameter optional 4.0,4.3,4.5,4.8,5.0, single or double rib optionalBase: concrete base, iron steel base,plastic base, ...