... : different color available3) Shfaft: alumininum , steel and iron, wooden, glass fiber ect.4) Fuctions: auto open or manual open5) Ribs quantity ... , 12 ribs,16 ribs or 24 ribs6) Fabric :polyester , nylon , pongee, satin, jewelry polyester, or with silver coat ect7) Handle:rubber, wooden, EVA ...