1) This umbrella is 4 sections shaft, while ordinary 3 folding umbrella is  3 sections shaft.

2) The closed length of this umbrella is: 18.9cm, while the closed length of an ordinary 3 folding umbrella is: 22.3cm.

    This umbrella is shorter, which satisfies people's hope that the umbrella can be large enough when opened, but can be small when closed, making it easier to carry.

3) This umbrella solves the problem that the smaller the umbrella, the harder it is to roll up the panels.