"Eakin Cohesive StomaWrap 3.35"" Diameter x 1.97 Inner Hole x .12"" Thickness. Designed For Large or Oval Shaped Stomas, For Those With Limited Dexterity and For a Quick Pouching Routine. Help Prevent Leakage by Forming a Waterproof Barrier Around the Stoma. Help Prevent Sore and Irritated Skin, Help Increase Pouch Weartime and, Fit in Any Area Around the Stoma to Create a Flat Surface."