... /38 3. Material: Umbrella Pole: Aluminum with dia. 38mm; Umbrella Ribs: 12*18 steel ribs,6pcs; Cover: 160g/m² polyester, water-proof ... .4. Frame color: with common powder coating, could be according ... of 250mm, 270mm and 330mm for customer's option, OEM is accepted, any questions pls feel free to contact with me, welcome to ...