Solo Ileostomy Unit, Large - 6-1/8" x 11" (15.6 x 27.9 cm), 31 oz. (930 cc), 1" Opening. A one-piece unit featuring a convex mounting ring permanently sealed to the pouch. The pouch is constructed of odor-proof materials and has a cloth-like cover on both sides. Available in stoma sizes from 1/2" to 1-5/8" (in 1/8" increments). Requires a separate pouch closure.