Keep your arms in shape with the Slendertone System Arms 3-pack Replacement GelPads. You get 3 packs of the 4 square GelPads required to use Slendertone System - Arms. Slendertone System Arms 3-pack Replacement GelPads Features: 12 GelPads total Designed for use with the Slendertone System - Arms triceps-toning product, controller and charger (sold separately) - used to tone the triceps GelPads should last approximately 20 sessions - to prolong their life, smear a few drops of water on the back and wipe skin clean of any lotions, etc., before use Requires System Controller for use (sold separately) Measures approx. 2"L x 2"W x 1/4"H Made of Hydrogel and rubber Store in a cool, dry place; do not submerge in water Made in USA