This dressing is for hemodialysis patients and other who have central lines. This gives you the freedom to shower and go swimming! Check out the website. https://www.cathdryglobal.com for more information! ##dialysis##port##hd##hemodialisis##hemodialysis##dialysislife##centralline##centrallineproblems##piccline##pertionealdialysis##foryourpage##fyp##cathdry##cathdrydressing##independence