The Salon Pro Hair Extension Bonding Glue in black is a 2 fl oz (60ML) unit suitable for all types of human and synthetic hair. It is designed for heat-free bonding, closure, and classic bonded attachment, making it versatile for various hair extension styles. With a Brazilian theme and suitable for adult use, this product offers a reliable solution for achieving a seamless and long-lasting hair extension application. Made in the United States by the trusted brand Salon Pro, this hair glue is a must-have for anyone looking to enhance their hair with high-quality extensions.