... are use with TENS, EMS units and physical therapy supplies,health care massager ,medical device and so on. Specification:Backing material: ... Soft cloth, foam, tan tricot , Non-woven,PET and other colours backing for selection3. conductive gel: 4. lead ... Great variety:QuanDing electrode pad/ physical therapy has greatest variety in sizes, shapes and backing materials.Support ODM OEM ,customize ...