These Therapy Pin Pads are designed for use with TENS machines and are perfect for those looking for a heavy fat treatment. The pads are a one size fits all and are easy to use. They are a great addition to any beauty routine and can help with body slimming and electric massaging. The pads come with no warranty, but are made with high quality materials to ensure long-lasting use. These electronic tools are a must-have for anyone looking to improve their overall health and wellness.