9PCs Inirritative Hydrogel Pad High Adhesion Exercise Gel Training Stickers Patch Replacement Description: This is EMS conductive hydrogel pad for hip training device. Hydrogel material makes it hygienic and safe e, no irritation to skin. Self-adhesive design, easy to apply on the fitness device and skin.  Features: Hydrogel material makes it hygienic and safe e, no irritation to skin. Self-adhesive design, easy to apply on the fitness device and skin. Every piece is covered by plastic film which can protect it from dust and keep its strong stickiness. Conductivity, low irritation, high adhesion. Suit for most skins. Specifications: Material: Hydrogel Options: 3Pcs, 9Pcs Size: approx. 9.5 * 4.5cm / 3.7 * 1.8inch(L),  approx. 6 * 3.5cm / 2.4 * 1.4inch Package Weight: approx. 17-45g Item Type: Hydrogel Pad Gel Package Included: 3 x Hydrogel Patch / 9Pcs Hydrogel Patch