A one-touch automatic opening and closing umbrella that uses a light-shielding heat-shielding fabric with a light-shielding rate of 99.99% or more and a UV cut rate of 99.9% or more. Even with a light-shielding fabric, it is a lightweight folding umbrella that weighs about 220g. HEATBLOCK has a two-layer structure with a light-shielding film bonded to the back of the fabric. With this structure, Ambel has achieved a light shielding rate of 99.99% or more (the highest value) and a UV shielding rate of 99.9% or more. As long as the fabric is not torn, the shading effect is semi-permanent. HEATBLOCK VERYKAL is an umbrella that opens and closes with a convenient one-touch automatic opening and closing for both sunny and rainy weather.