This is a one-piece ostomy system with a free-cut design, compatible with stoma diameters of 29-44mm. - Model Name: Cellcare 1-TDc - Product Type: One-piece ostomy system - Effective Stoma Diameter: 29-44mm - Model Number: 20141 - Free Cut Type: 45 Free - Expiration Date: 2030/05 This is a convex type designed for individuals with abdominal wrinkles or those whose stoma opening is not raised, making them prone to leakage or pouch detachment. Due to shipping costs, the product will be shipped without the box, allowing for a lower price.