LARGE REPLACEMENT MASSAGE PADS (16) ELECTRODES(RECTANGULAR) FOR TENS DIGITAL MASSAGER Large Size Rectangular Pads that are great quality and come with a thick layer of non-irritating conductive gel that adheres well to your skin, but leaves no sticky residue when the electrodes are removed. Electrodes are Reusable High-quality pads are compatible many units and Digital Massagers that connect to 2 mm pin leads They wipe clean with a damp cloth. The Measurements are: 3" long by 2" wide Includes 16 Pads (8 sets). Each set (2 pads) are packaged in a resealable storage bag. Thank you and have a wonderful day!