Don’t miss our amazing deals and offers which earn you cashback rewards when shopping for Slendertone. Their unique, clinically-proven abs belts use electrical muscle stimulation (EMS) technology to tone all 4 abdominal muscles (including the six pack), strengthen the core and improve your posture from 4 weeks. They also tighten and firm the tummy muscles to help reduce your waist size from 8 weeks. You can shop for their clinically-proven arms, bottom and face toners too, as well as replacement gel pads and accessories. For the best results combine Slendertone’s world-leading muscle toners with an active lifestyle and healthy diet.