Costs

• The costs for both the Slender Tone and Contour ab belt systems, including diet plans, are just about the same; Slender Tone's system costs $199.99 and Contour's system is $199.80 as of August 2011. The Contour system offers more benefits, providing four AAA batteries, a one-year warranty, travel and storage clutch, and an instructional DVD guide in addition to the standard items provided in each system: belt, muscle stimulator, gel pad electrodes, as well as diet and exercise plans.