1) This is a band for keep your camera with your hand steadily2) Made of high quality material, mount your camera tightly3) Bracket with tooth plate, more convenient and accurate, and very strong4) The band length is adjustable, you can attach it on you hand or wrist5) 360 degree rotation, satisfy for all angle shooting6) Compatible with Gopro Hero 1/2/3/3+/4. Specifications:1) Mode: large size2) Color: Black3) Material: EVA & oxford cloth & plastic4) Item total length: L 11cm width * 45cm length (About 1-2 cm error) Package List:1xGlove-Style Mount