· iStim Adhesive Electrodes also ensure long-lasting adhesiveness through multiple sessions. iStim Adhesive Electrodes are pre-gelled, reusable, long-lasting, and are made for your convenience. iStim Super Soft 2"x4" TENS Unit Electrodes for TENS Massage EMS - 100% JAPANESE GEL (2"x4"- 16 pieces).
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