Ally Rings, Ostomy Barrier Seal, Box of 10 - All SizesAlly Rings are designed to create a flatter surface around the stoma by filling the cavities and folds. They are intended to prevent irritation, resolve leakage problems and secure the seal. Ally Rings are especially recommended for people who have skin dips or folds around their stoma. The rings are also adapted for lower dexterity. Product Code Diameter Thickness 2022483 3mm 48mm 2022484 4. 5mm 48mm 2022983 3mm 98mm