Eversion umbrella is different from ordinary umbrella, because it is designed in the opposite direction, so it is also called reverse umbrella. The waterproof effect of the reverse umbrella is three times that of the ordinary umbrella. The anti-umbrella is so magical that it needs high-quality materials in addition to clever design.
The material of the rollover umbrella is the guarantee of the credibility of the umbrella, but most factories are relatively low-priced. Its materials have also been affected, and many high-quality materials have been replaced by inferior materials.