This is the SeaLife SL920 Float Strap Underwater Camera Lanyard
It Features:

• Soft padded floating wrist cuff
• Can be worn on the wrist or use the quick clip attachment
• International Orange color for high visibility
• Lanyard is about 8 inches long when tightened all the way

The Sealife SL920 Float Strap, floats all SeaLife cameras and most other brands of waterproof cameras or other portable waterproof devices. Protect your investment! Don't take your camera on a dive without one!