Our mPL009-P Replacement Refill 4 Pads are perfect for the Prospera PL029 and PL009 TENS Electronic Pulse Massager. Electric pulses are evenly distributed for pain relief with effective and repeatable results. Set of four refill pads Soothing effect FDA approved Compact and lightweight; easy to carry and use Skin applicable areas: neck and shoulders, back, waist, arms, legs, joints and ankles Comes with a plastic bag Wire is trademark protected Dimensions: 3"x1.5"  Base Material: 65% Metal, 20% Plastic, 15% Polypropylene Care: Wipe Clean Country of Origin: Imported