we keep several in a box trailer at the farm and rarely use them with the pits and blinds but do occasionally but when we do they sure do smell like mouse pizz real bad. so much so the bibs and jacket surely get a wash when I get home. we throw moth balls in and under the trailer at times but the mice always get in and raise hell. find many nests in the slotted decoy bags as well. Have often thought about a yearly wash but wondered how well it would do and what you would really need to combat the smell of the pizz. despite the smell of foul mouse pizz someone in our group often falls asleep if the action is slow and we get a good laugh at the loud z's coming out of the nearby ground coffin.