1) good quality, price and service 2) manual-open 3) stainlee steel 4) polyester ribs 5) 19/22pole Specification 160cm×8k straight umbrellaDia:160*8K,Fabric:140g polyesterRib: Φ 2.5mm,stainless steel,Pole:19/22,thickness3.0mmColor:any color you likeLogo:based on your design promotional beach umbrella