The G-2 Stoma Cover is a large oval patch with waterproof clear tape against the skin and a top layer of waterproof tan tape. One of our most absorbent patches, the G-2 can absorb up to 21 mL of mucous discharge. The standard hole for this patch is an oval center hole. Large Stoma Covers Style G-2 AMPatch Stoma Covers - 50 per Box