Magnetic Snap Wide Usage: These magnetic buttons great for sewing and crafting,purse, tote,wallet,bag, handbag,travel bag,clothing,jacket,covers,scrapbook,etc Easy To Fix: Each clasp comes in four parts comprises of 1 male part, 1 female part and 2 metal locking disks or washers. A male part, and a female part (which houses the magnet) allow to be snapped together before use.No Tools Required during crafting, just insert prongs through fabric or material,then fold over,magnetic buttons are easy to install Magnetic Snap Fasteners: The size of magnetic snap fastener is diameter of 18 mm and thickness 3 mm (approx.). It is made up of metal and easy to fix for DIY handmade quilt accessories Easy Operation: 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.It's also easy if you want to open it International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.