KOUO Luxry Sweet Golden Retriever Custom Auto Foldable Umbrella The Portable . Material: 100% polyester pongee waterproof fabric Design: unique,awesome and vibrant design to lighten up your mood Technology: use heat sublimation technique,protect from fading, long-lasting effects Size: each rib sized in 21.7 inch and consists of 3 section aluminium for flexibility Constraction: 8 ribs made from strong fiber for extra support