GUITAR SHAPED WHITE PADS FOR REPLACEMENT MASSAGE PADS FOR DIGITAL MASSAGER The Electrodes I sell are much more cost effective, and you will save a SIGNIFICANT AMOUNT OF MONEY using these pads instead of the Proprietary Brand Pads. These electrode pads work with this lead cable that has 3.5 mm snap connection on your lead cable. Pads have a thick layer of non-irritating conductive gel that adheres well to your skin, but leaves no sticky residue when the electrodes are removed. These Pads are also compatible with many units on the Market that have leads with 3.5mm snap connect. Pads are Reusable and fit 3.5mm snap connect lead Pads wipe clean with a damp cloth. The Measurements of pads are: 2" x 3". Includes 20 Pads (10 sets) Each set of pads (2 pads) are packaged in a resealable storage bag. Thank you and have a wonderful day!