Diameter when open: Approximately 106cm When stored: Approximately 32cm Please refer to the attached photos (^^) 【Solid 10-Bone High-Strength Umbrella】: The umbrella stand is made of strong, rust-resistant aluminum. Wind resistance and durability are improved, allowing it to withstand strong winds and heavy rain, and is designed to resist cracking and bending. Even if the wind flips it over in strong winds, it can easily return to normal, and it is easy to close the umbrella. This is a windproof umbrella that can be used with peace of mind even on windy days. 【Super Waterproof Large Folding Umbrella】 The high-density umbrella watch is treated with a highly waterproof Teflon finish with excellent waterproof performance. When rainwater falls on the umbrella, it turns into dots and slides off. You can shake the umbrella a few times before storing it to remove water droplets. You don't have to worry about water droplets getting on the seats when you're in a car or taxi. 【UV Protection, UPF50+ Sun Protection Effect】 The back is made of black coating. This is ideal for blocking light even in strong sunlight and protecting your skin from UV rays. It can be used as a parasol in the hot season. 【One-Click Operation】 You can easily open and close it with one click of a button. It is easy to use when you are carrying a lot of luggage or when getting in and out of a car or bus. It is very convenient to keep it in your bag or car. 【Improved Safety with Reflective Tape】 The folding umbrella comes with reflective tape, and the edges of the folded ends are equipped with reflective material, so it can be used safely on heavy rainy days, foggy days, and rainy nights.