Material: normal materials of good quality, sturdy and durable, can be used for a long time. And the surface is and will not harm your clothes. Widely used: blouse collar pin is nice object for women, when wearing shirt or dress to avoid embarrassing moments, and can also apply as a shiny decoration for dress. Prevention of exposure: prevent women's accidental exposure when wearing blous,t-shirt or full dress. Small but beautiful item can avoid embarrassed situation. Easy to use: detachable design, installation is very easy, can be disassembled and reused repeatedly, the installation process is very simple, so beginners can be done in a few seconds. Easy to carry: each brooch button with a clasp on the back, convenient and free without sewing it, small in size, can be worn and used at any time.