Premium Electrode Pads: Premium gel stays secure through intense workouts, yet allows painless removal from skin. Relieves muscle aches and pains in the shoulders, lower back, arms and legs. When the electrode pads lose adhesion, rinse it with water, scrape off surface residue, then air-drying, adhesion will renew, enabling reuse for 100+ cycles. | Individual Seal Package: Included 4 pack tens replacement pads, each comes with an individual package. Sealed design for convenience of storage and use. Compatible with Comfytemp wireless TENS unit K6101(ASIN:B09TW4S1M8) | Suitable for All Parts: The 5.1" x 2.4" tens machine pads are applied to parts of the body, such as the back, shoulder, neck, and leg. The electrodes provide better conductivity with printed carbon film and easy installation and removal with a magnetic button. | Soft & Safe: The electrode pads are certified by professional organizations and safe to use. With a non-irritating latex-free design, no need to worry about skin sensitization and other problems. | How to Use: Please clean the skin first to remove the oil and dirt from the skin. Otherwise, it will not stick well if any oil is left on your skin. After each use, place the pads in their original packaging. If the stickiness becomes weak after a few uses, just wash it with water to restore the stickiness. | 📢 📢 📢Please check the second main picture of the product before purchasing to confirm whether it is suitable for the TENS unit you purchased. 🔴 This electrode pad is only suitable for ASIN:B09TW4S1M8