Feature:Compatible with Gopro HD Hero 4/3+/3/2/1Through screw， keep your gopro camera on your head safe.Anti-skid design back of the strap， making it using more convenient.Elastic strap， made of superior quality material， durable and usable.Adjustable and compact design， meeting different requirements of the users.Material: ABS + Elastic nylon.Notice: GoPro Camera and Screw are not included.Package Included:1 x Elastic Head Belt for GoPro HD Hero Camera