PALS Clinical Electrodes with DermaFlow Hypoallergenic and Antimicrobial Hydrogel provides more gel volume, at an extra thick 50 mils. Optimizes skin contact and patient comfort and is soft to the touch, for gentle application and removal with no sticky mess.The protective and durable soft foam cover extends beyond the DermaFlow gel. The oversize border:prevents gel from sticking to clothing; provides an edge for easy removal; contains a mild adhesive to help keep the electrode in place.