Extra-Large Replacement Electrode Pads for Digital Massager Units andElectronic Therapy Machines These XL (X-Large) Massage Pads are flexible pads, that are durable, and feature a thick layer of non-irritating conductive gel of which adheres nicely to your skin, but leaves no sticky residue with removal. Description: Massage Pads are Reusable Wipe clean with a damp cloth. 2.0 mm to 2.5 mm thick. Measurements (not including tab) are: 3.54" (9 cm) length by 1.89" (4.8 cm) wide. Snap pin diameter on the Pad measures 3.5 mm. The tab is 1 cm (.4") in length. When removing pads, using the tab to remove will prolong the life of the massage pad. Set includes 4 Pads (2 sets). Each set is packaged in a resealable storage bag. DOUBLE YOUR ORDER AND SAVE==> CLICK HERE FOR LISTING Please Note:These high-quality pads fit the following machines and others that use pads with 3.5 mm snap-on connectors: -EliKing -Palm -Echo -iSmart -IQ - All models -Pinook -Irest -and also many others on the market. Feel free to message me if you have questions on compatibility. Thank you and have a wonderful day!