Brava Moldable Rings Brava Moldable Ring is designed to be a durable and secure ring, creating a tight and long-lasting seal between your stoma and your appliance. The Brava Moldable Ring is skin friendly and it is easy to handle. Just mold and apply. Brava accessories by Coloplast help reduce leakage and care for your skin to make you feel secure. How to use a Brava Moldable Ring: