... :side pole: Dia 48mmDetailed Product Description:Sunshade umbrella:Structure: Cloth + alum-frame or wooden frame + base; Cloth: waterproof, UV resistant, high density ... . Base: round base or square base; Granit base, marble base, cement base, wrought iron base, plastic base; Weight: 8kg, 11.5kg, 13kg, 20kg, 40kg, 50kg;5. Unilateral umbrella: 100 ...