"Brava Protective Seal Thick, 1-3/8"" Starter Hole. Prevents Leakage by Creating a Tight, Output-Resistant Seal Between Skin Around the Stoma and Barrier. Absorbs Moisture From the Skin, Does Not Break Down, and Removes Cleanly and Easily Leaving Minimal Residue. Easy to Mold, Fits Snug Around the Stoma and Can Be Applied Over Skin With Dips, Creases and Folds."