Universal Compatibility: As a powerful muscle stimulator, a TENS unit helps relieve pain. But when electrode pads lose their stickiness, the unit becomes useless. Compatible with most TENS models, our replacement pads have your unit running like new again! Reusable Electrodes Pad: Our hand shape eltetro pads provide superior coverage for more effective results! They are also conveniently pre-gelled, reusable and self-adhering, making them easy to use and providing reliability you simply can\'t find anywhere else. 24-Piece Set: 24-Pack(12 Pairs) Large Premium Self-adhesive Pad, Good Sticky, Quick Grab, Easy to Peel and Dry-out Resisting, Individually Bagged for Convenience of Storage and Use Trusted Quality: FDA cleared,designed with you in mind, this pads are latex-free and non-irritating to ensure users of all skin types have a safe, comfortable experience! They also feature gray cloth backing for durability and re-sealable packaging for a longer lifespan. Money Back Guarantee: Customer satisfaction is always our top priority, so if you don\'t completely love your TENS pads, return them with our 3-month warranty.Contact us for Full Refund or New Replacement for any product quality problem.