Disclosed is an odor barrier material for a fecal catheter, a fecal pouch, or an ostomy pouch comprising, a elastomer and an antiblocking agent, such as a zeolite or nanocomposite or selected from a group of essentially inorganic fillers, including silica, talc, clay, and mica, wherein the odor barrier material comprises a surface having an arithmetic mean surface roughness (Ra) not less than 0.1 micron.