Replacement Electrode Pads for Digital Massager Units and TENS Electronic Therapy Machines This is a nice Electrode Pad/Cable Combo with 2 Large durable and flexible electrodes that are excellent for applying around joints such as wrists or elbows. These pads can be used for areas of the body that are flat, like back or thighs. They 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. Also included are 2 smaller pads, nice for treatment/therapy for more concentrated area of current. Electrodes are Reusable They wipe clean with a damp cloth. Large Pad Measurements are: 3" (7.5 cm) by 1.77" (4.5 cm). Snap diameter connection is 3.5 mm. Oval Pad Measurements are : 30mm x 40mm or 1.18"x1.57" Snap Diameter Connection is 3.5mmEach Pair of Pads are packaged in a resealable storage bag. Includes 2 LARGE Pads (1 SET), 2 OVAL Pads (1 SET) These high-quality pads are compatible with the following machines in addition to others that use pads with the 3.5 mm snap-on connectors: EliKing PCH IQ Massager-ALL Models Irest iSmart Magic Massage Magic Masseuse MassagePod Mouse XP Palm Echo Therapulse Massageo Tony Little Pinook Smart Relief And all other units that have the standard 3.5mm electrode snap Feel free to message me if you have questions on compatibility. Thank you and have a wonderful day!