Made From The Same High-Performance Elastomer As The Ocean Band, This Band Extension Lengthens The 49Mm Ocean Band By An Additional 50 Millimeters — Perfect If You Need Extra Length To Wear The Band Over Your Wetsuit. The Extension Comes With An Extra Adjustable, Corrosion-Resistant Titanium Loop Which You Can Place In Any Tube To Tuck The Excess Band Into. This Extension Must Be Used With The Regular Ocean Band