The Dry Pro Stay Dry Pro-Pump Waterproof Cast Cover / Cast Protector is completely watertight, keeping your Bandage, Prosthesis, or Cast dry. The Dry Pro Stay Dry Pro-Pump offers the only leg and arm cast protection in the world with the patented vacuum seal to keep your bandage or cast dry. It is so completely and totally waterproof, between the waterproof fabric and the vacuum seal, that you can even dive off a diving board or ride the ocean waves and still have your cast stay completely dry.

Small Half Arm, Length 17 1/4 inches, Opening 7 1/4 inches