I used to have a specially made sleeve for my arm when I had PICC lines but when I got my first port 8 years ago I tossed it. I did just find this in a Google search though ... <a target=_blank class=ftalternatingbarlinklarge href="http://www.drycorp.com/content/how-it-works-picc-line-protector/index.html
">http://www.drycorp.com/content...-protector/index.html
</a>Seems pretty reliable. Maybe its worth a shot? Other than that saran wrap with medical tape at both ends and along the seam works well for a shower/bath as long as the limb isn't submersed. I definitely wouldn't recommend that combo for swimming at all though.