EASY TO USE: The metal pin back is tight and they are not easy to fall off; Each pin back has a hole which is compatible with the tie tack pin. The installation operation is very simple, allowing novices to complete within a few seconds, can be repeatedly disassembled and reused. MULTI-PURPOSE: Jean Button Pins for Women Shirts, Dresses,Cardigan Collar Safety Pins,Cuff Links,Clothing Bags and The brooches pins can also be applied in clothes, bags,hats,even party cake decoration,wedding bouquet or DIY craft projects. GIFT IDEA: Give these enamel lapel pins for Children's Day, Birthday, Holiday, Christmas day, Anniversary and fun party favors. MATERIAL: These Button Pins are made from high quality rhinestone and alloy, excellent workmanship without burr, smooth and delicate, durable, colorful, good gloss and long time for use. PACKAGE INCLUDE: The package comes with16 pieces of brooch buttons anti-light Buckle in some different patterns, there are sufficient quantity for change to match with different outfits, also as good supplies for making your DIY crafts.