PrimaCare CPR shield with keyring pouch, disposable, model: RS-8632: PrimaCare CPR shield with keyring pouch, disposable is designed to protect the rescuer from the victims oral secretion, preventing unsafe contamination while aiding in the administration of proper CPR technique. One way valve and solid molded design assures that the barrier will not leak or fall apart during CPR. Available with a nylon washable double stitched key-ring pouch. When it comes to protecting yourself while trying to save a life, dont settle for anything less.