Characteristics:Head Strap Mount? Adjustable， compact design.? Made of plastic and nylon upper.? Specially designed for GoPro HD Hero 1/2/3/3 +.? Not included waterproof shell， the case of housing， support bolt. Bobber( Floating hand grip) Designed to save your camera if dropped in the water， it doubles as a hand grip and a floating device; Floats sticking straight up out of the water and its bright yellow color makes it easy to spot; Wristband is adjustable. Dimensions: 5.91 in x 1.57 in x 1.57 in (15.0 cm x 4.0 cm x 4.0 cm)Weight: 1.69 oz (100 g)Package includes:1x Head Strap 1 x floating hand gripNotice: Not including Camera which shown in the picture!