Application: This listing is for silicone-lined, standard Micro-Links, also known as Beads, which are primarily used for hair extensions.
Feature: These Micro-Links are small, round beads made of lightweight aluminum that are lined with silicone to protect the hair and secure a fine hold.
Material: Silicone-lined Aluminum Micro Links (The inner silicone can effectively protect hair from damage of the outer hard metal extrusion.)