The spring coil lanyard is made of stainless steel wire and TPU. Two side hooks. Attach one hook to your BCD Another side clip is used to secure . Helps prevent you from dropping them during a dive. Close the quick-release buckle to keep your accessories streamlined when not in use or in and out of the water. When you extend your dive light or underwater camera, open the quick release buckles while they are still securely fastened to your BCD. [Quick Release Buckle]- When you want to extend , you can quickly release the buckle while the lanyard remains securely attached to your BCD. Colour:Green Material:Tpu+Stainless Steel Package Contents: 2x Diving camera strap Only the above package content, other products are not included. Note: Light reflection 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.