Hair extension tools,keratin glue grains: 1,Top quality keratin with good heat resistance. 2,Different colors and sizes. Keratin Hair GlueWe offer the best quality keratin glue, the melting point to top 160 Celsius ***** are four styles and four colors you can choose, including glue boxe, glue stick, keratin glue pellete, keratin glue available: clear, brown, black and blonde. Keratin glue stick