20 Bone Reverse Double Bone Automatic Folding Umbrella Sunshade Sun Umbrella 1. Sun protection coating: vinyl coating 2. Function: sunshine and rain 3. Umbrella cloth: touch cloth + sunscreen vinyl 4. Umbrella frame: alloy + glass fiber 5. Umbrella cloth density: 190T 6. Weight: about 460g 7. Size: unfolded about 106 x 65cm, closed about 34 x 6cm Features: 1. Automatic handle, environmentally friendly spray paint color scheme, bright colors, skin-friendly touch 2. Waterproof black technology umbrella cloth, umbrella cloth density up to 190T, waterproof coating strong water repellent 3. High-density umbrella cloth, durable, water-resistant, a flip that dry, easy to dry 4. Black rubber sunscreen coating, UPF50+ 5. Waterproof coating, increase water resistance 6. 20-bone solid wind-resistant fiberglass umbrella frame, high strength, no rust, open and close smoothly without jamming, alloy material, double glass fiber reinforced structure, tough and wind-resistant 7. Reinforced umbrella bone connection, triangle mechanics structure U-shaped bone groove, balance the wind in all directions 8. Sun protection technology coating, thin, tight, stable structure, shaping a strong shade layer, prevent UV penetration, reduce heat transfer, bring lasting sun protection power 9. Strong reflective material umbrella edge, visible distance up to 100 meters, enhance night security 10. Double control smooth opening and closing, integrated mechanical slider combined with double nylon lanyard, thermoplastic resin material, with self-lubricating, open and close more quiet