VUSH Aura Replacement PadsAura Period Pain Relief Device Replacement Pads play an important part in sending out the magical little Electro currents that help manage pain. Each sticky gel pad should last for your full cycle every month, and Will help Aura stay stuck through work outs, kitchen dance parties, and lying on the couch. Y'know, all the Important stuff: 2 months longevity of gel pads Easy attach detatch mechanism One size fits all