Practical, anti-skid design, multi-purpose connection DIY super strength parts;Adjustable size chest band, anti skid and firm design, do not fall off in sports.Bring wonderful moments to your photography.It is perfect for any work-related application, failures, camping, picnics, hiking, cycling, climbing and other outdoor activities.The product is suitable for OSMO ActionSize: 20*4*8.5cm / 7.8*1.6*3.3 inchesColour: Blackmaterial: plasticPackage Contents: 1* chest strapOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.