Philips HeartStart FRx Replacement TRAINING Pads IIOriginal Philips HeartStart FRx training electrode pads come delivered in a plastic case. When the pads wear out, there's no need to buy a new case just order these pads! With proper care, they'll last as long as the originals. Adult Pad Placement Guide or Infant Child Placement Guide is not included. Placement guides are required if these pads are not being used on a manikin. Using these pads on a manikin will require the use of an External Manikin