AquaGuard is a latex-free impermeable moisture barrier that protects surgical incisions, dressings and vascular access sites while showering or sponge bathing. Keeps the site dry, helping to protect against waterborne bacteria. When ordering, select the size that is slightly larger than the actual area or device needing coverage. For areas needing range of motion such as knees and elbows, purchase one size larger than area to be covered.AquaGuard examples of usage:Knee, hip or shoulder surgeries PICC lines Stomas Dialysis catheters Ostomies. Made in USA