Can the sunscreen mask under the banana really protect against the sun?

The sunscreen mask under the banana is really sunscreen.

Under-banana sunscreen mask is made of lightweight fabric with Airloop technology, and its surface is treated by BUTEC special process. This mask also passed many international authoritative certifications before it was put on the market. The sunscreen mask under banana can block more than 95% ultraviolet rays during wearing, and can make the sunscreen index reach 50+, which can also meet the sunscreen needs in most areas. The sunscreen mask under the banana is provided with air holes on the surface of the mask, which can make the mouth and nose breathe more conveniently and won't feel too stuffy when worn in summer.