Each one of this package is flexible and to the touch, helping you get the most from your TENS machine. They also feature gray cloth backing for durability and re-sealable packaging for a longer lifespan. Theyare classic and commonly used in medical area, which makes it easier for you to find compatible accessories. Features - : UEETEK.- Color: Shown in the pictures.- Material: Non-woven fabric.- Size: Approx. 5 x 5 x 0.2cm/ 2 x 2 x 0.08 inch (LxWxH).- Low impedance solid electrode gel providing excellent self adhesive performance and easy clean up after 10 to 15 uses for longer lifespan. - Latex-free and non-irritating to ensure users of all skin types have a safe, comfortable experience.- Maximize the effectiveness of your machine and feel great.- Flexible and measuring 2”each, they conform to your body and provide large coverage! Packing list: 24 x UEETEK Latex-Free Tens Unit Electrode Pads 5x5cm Reusable Tens Unit Patches with Self-Stick Performance and Non-Irritating Design