ELECTRODE LEAD CABLE (3.5mm Plug) + MASSAGE PADS COMBO(4 LG, 4 SM PADS, + CABLE) This is a nice Electrode Pad/Cable Combo with 4 Large and 4 small 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. 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. Small Pad Measurement are : 1.37" wide around Snap Diameter Connection is 3.5mm Each Pair of Pads are packaged in a resealable storage bag. Includes 4 LARGE Pads (2 sets), 4 SMALL PADS (2 SETS) and 4 Snap Connection 3.5mm Electrode Cable These high-quality massage pads are compatible with many brand name Digital Massagers with leads that connect to 3.5 snap on the pads. Feel free to message me through eCRATER Messaging if you have questions on compatibility. Thank you and have a wonderful day!