Hypoallergenic, skin-friendly, self-adhesive hydrogel electrodes of the highest quality made in Japan for medical electrodes. ***Size: 5*5cm, 24 pieces in total Compatible with TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electromuscular Stimulation) stimulators; All electrodes meet the requirements of the Medical Devices Directive, Class 1A. They come in a sealed reusable bag along with instructions and can be used up to 40 times (depending on storage, skin type, preparation, and weather). Hypoallergenic and latex-free, specially designed for comfort and durability, they adhere to all areas of the body. We are a British medical device company and a main supplier to the NHS based in Manchester, with full product and after-sales/service support. Our products are made from the highest quality materials and are designed to give you the best possible user experience. We aim to ship all orders within three days of purchase, and the estimated delivery time is 8-15 days. Please pay attention to the product's size and dimensions when shopping to ensure it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it.