Premium Material: This magnetic button is made of premium metal, which is durable, lightweight, rust free, delicate polishing surface, color will not fade easily, and the magnetic clasps for bags are strong enough for heavy duty closure. Multipurpose Magnetic Button: The magnetic press stud closure is ideal product for sewing, DIY, craft, clothing, bag fastening, scrapbook and more. They are very suitable for bags, purses, totes, clutches, backpack, leather jackets, file flaps, toys, goggles case, etc. Simple to Use: No tools required, just insert prongs through fabric/material & fold-over; backing pieces included. These snaps made of magnetite with super strong magnetic force. You don't need to work hard to make the button snap. The magnet buttons securely when it is closed, also easy for you to open it.