"This elastic strap is made of superior quality antiskid material, with screw keeping your Gopro camera on your upper body safe. Moisture wicking and portable, adjustable and compact design, meeting different requirements of the users."
Chest Belt Strap Mount
•Weight: 6.5 oz (165 g).
•Adjustable and compact design.
•Made of superior plastic and nylon .
•Specially designed for GoPro Hero 2/3 .
•Not included the camera,housing case,Bracket Screw.