(1) After the umbrella is used, it should be placed in a ventilated and dry place to dry, and a small amount of lubricating oil should be applied to the umbrella bone and handle to prevent rust and mildew.
(2) Before opening the umbrella, the umbrella surface should be shaken loose, straighten the umbrella bone, and then slowly stretch open, can prevent breakage, PVC fabric umbrella if glued together must not be hard to open, to first separate the sticky place by hand, and then slowly open.
(3) Do not hang the umbrella on the lime wall containing alkaline, which can prevent the umbrella surface from brittle.
(4)Do not use the umbrella to pick things, do not use the umbrella as a walking stick, do not let the umbrella approach high temperature (especially the transparent umbrella with plastic fabric), which can prevent the umbrella from deforming.