Description: 1. Material: The snap button is made of alloy material; fine workmanship, high hardness, long lasting, durable and sturdy, not easy to get erosion and rust. 2. Design: This button is invisible. The snap button is composed of two parts, when you snap them together they complete a secure closure, preventing clothing0r items from accidentally opening. It can be perfectly invisible inside the clothes, easily fixing the clothes without affecting the overall appearance. 3. Easy To Use: Yo