Feature:1. Our replacement gel pads ultimate abs situmulator works very well, helps stimulate your muscle contractions when doing abdominal workout. 2. These gel pads are made of high quality hydrogel, just tear off the two protecctive layers, then stick to the placement of your belt. 3. The gel pad need to be replaced regularly.4. Designed for fitness equipment, fitness body, health massage.5. Specification:Material: hydrogel pasteHydrogel size: 40mm*60mmApplicable scene: fitness equipment, health massageNotice:1. This product can be used repeatedly (recommended for special use, to avoid mixed use).2. If the viscosity of the adhesive film is reduced, rinse it with water and dry it.3. Storage: Store in a cool place.4. Remember not to directly touch the film directly on dry paper or a similar dry place.Package List:30 pieces of hydrogel patches