Disclosed are fecal catheters made of an odor barrier material comprising； a thermoplastic elastomer selected from the group consisting of a styrenic block copolymer, a thermoplastic vulcanizate, or a polyolefin elastomer； an odor barrier modifier selected from polyisobutene, polybutene, or an organoclay； and an antiblocking agent selected from the group consisting of essentially inorganic fillers, including silica, talc, clay, and mica； wherein the fecal cathether comprises a surface having an arithmetic mean surface roughness (Ra) not less than 0.1 micron.
