https://www.yfoutdoorumbrella.com/product/courtyard-outdoor-umbrella/6bone-swing-hand-double-top-umbrella.html Material: 180g polyester fabric, waterproof treatment, open skylight Umbrella Bone: 6 strands, 12*18mm. iron oval Umbrella pole: ΓΈ38mm, iron Base: None Features: with rocker, no steering, with pins
