Gopromate(TM) Elastic Adjustable Head Strap Mount Belt with Anti-slide Glue For GoPro Hero 1 Hero 2 Hero 3 Head strap is made of elastic nylon which is more durable. Anti-skid design, making it more convenient. Through screw, keep your GoPro camera on your head safe. Adjustable and compact design, meeting different requirements of the users. Compatible with Gopro Hero 1 Hero 2 Hero 3.