AquaCast is a unique waterproof liner, will allow you to go swimming in a cast or allow showering in a cast.
Waterproof Cast - FasterCapital
Waterproof Cast Padding - Long Arm Padding Kit - AquaCast
Bloccs Waterproof Arm Cast Covers for Shower - #ASA70 - Adult
Waterproof Casts for Swimming or Showering
Plaster, Casting Tape & Undercast Padding
UPPER & LOWER EXTREMITY WATER PROOF CASTS - AquaCast
Swimming With a Waterproof Cast - Long Arm OrthoTape Neal Padding
AquaCast Liner - 2 Roll Pack of 2 Inch AquaCast cast
Bloccs Waterproof Cover for Plaster Cast Arm, Swim, Shower & Bathe
AquaCast Liner - So Cal Sales