Marlen Manufacturing UltraMax One-piece Pre-cut Drainable Pouch with AquaTack Hydrocolloid Shallow Convex Skin Barrier and Kwick-Klose Fastener 1-1/8" Opening, 9" L x 5-3/4" W, Opaque, 16Oz, Odor-proof. Marlen Drainable Pouches are available with a wide range of skin sensitive adhesive flanges and can be supplied with either a flat base, or a convex base. Advantages of a one-piece system. Ease of a disposable system. Odor-proof pouch material. Quiet, Built-in comfort cover facing the body. Leak-proof for added protection and security.Extra-large drainage spout for easy emptying.For Ileostomies and Colostomies.