For divers who need more comfort around the waist. SCUBAPRO offers an extension piece that can increase the length of your current prosperous strap on your BCD.
BCD Cummerbund Extender FM04 - Scuba
Mares Magellan BCD, 417226 - Back Inflate BCDs
Buoyancy compensator (diving) - Wikipedia
ScubaPro Cumberbund Extender, Universal
Add to your BCD with these handy accessories
BCDs - Accessories
Cummerbund Extension from Scubapro to all brands of BCDs
Universal extender adds inches to your BCD’s cummerbund., Features, Ensures a snug and comfortable fit.Attaches easily all most cummerbund
Scubapro Universal Cummerbund Extender
ScubaPro Cumberbund Extender, Universal
Add to your BCD with these handy accessories