You have a BCD that fits fine everywhere except around the waist. Not a problem with the BCD Cummerbund Extender. Easy to install on your BCD's cummerbund, and provides extra fastening length when needed for a secure and comfortable fit. Cummerbund Extender is made from durable nylon with taped and sewn edges for added strength and durability. Extender has a sleeved pocket with hook & loop fasteners to capture your BCD cummerbund hook & loop to secure in place and adds an additional 8" (20.3 cm) of cummerbund length. Once installed the external fastener will couple and secure firmly with you BCD's cummerbund fastener.