Uni Flex® Safety Cap Tube Closure, 1 Case of 10 Toe Caps Protectors Cushions tapered tip for increased suction MSHQ 1594XL tapered tip for increased suction power These single use multi day TENS electrodes feature ultra flexible construction as well as tan tone fabric for reduced visibility * These pin connector polymer gel electrodes are ideal for TENS applications as well as NMES for small muscle groups * Carbon silver film layer incorporated into a low profile design * White foam backing for increased stretchability and memory * Carbon silver film layer incorporated into a low profile design * The Uni Flex® Safety Cap liquid tight seal ensures sample integrity and prevents spillage of serum samples refrigeration and freezing