Highest quality hypoallergenic skin-friendly self-adhesive hydrogel manufactured in Japan for medical-grade electrodes. ***Size: 5*5cm, a total of 24 pieces Compatible with TENS stimulators (Electro transcutaneous nerve stimulation) and EMS (Electro muscular stimulation); All electrodes comply with the Medical Device Directive, Class 1A. They are presented in a sealed reusable bag along with the instructions and can be used for up to 40 applications (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 UK Medical Company and NHS main supplier located in Manchester, with full product, and after sales/service support.Our products are made with the highest s and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't 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