Structure of hair clip

A hair clip comprising:

• a base plate section having a first end and a second end;
• an upright end plate section raised from the first end of said base plate section at right angles;
• a clamping plate section;
• a hinge section connected between said upright end plate section and said clamping plate section;
• a retaining section longitudinally extending from one end of said clamping plate section remote from said hinge section, said retaining section comprising a substantially V-shaped base wall portion, two outward finger strip portions adapted for squeezing by hand to compress said V-shaped base wall portion inward, two coupling wall portions bilaterally connected between the V-shaped base wall portion of said retaining section and said finger strip portions, each of said coupling wall portions having a retaining hole;
• a catch plate raised from the second end of said base plate section, said catch plate comprising an upright base wall portion connected to the second end of said base plate section at right angles, and two substantially C-shaped pawls bilaterally raised from said upright base wall portion and adapted for engaging the retaining holes of the coupling wall portions of said retaining section, and a mouth defined between said C-shaped pawls and adapted for receiving the V-shaped base wall portion of said retaining section.