Build a better bum with the Slendertone Large Bottom-Toning Mini Skirt with Controller. This system helps you strengthen, firm and tighten your upper thighs and bottom through muscle contraction, using FDA-cleared muscle stimulation (EMS) technology. Features 4 program levels: beginner, intermediate, advanced and expert. Slendertone Medium Bottom-Toning Mini Skirt with Controller Includes: Slendertone wrap-around mini skirt Controller AC charger 4 Electrode gelpads Slendertone drawstring pouch QuickStart guide Instruction manual Product Features: Size: Large - fits hips sizes Large 12-20 (40"-48") Controller plugs into wall outlet to charge - UL listed Adhesive electrode gelpads - attach to garment to make direct contact with your skin Wrap-around skirt - adjusts to fit with hook and loop fasteners Skirt hangs approx. 16" from the waistband Interior patch pocket - discreetly holds controller during use Measures approx. 19"L x 16"W x 1/2"H Outer materials: 95% polyester, 2% elastane, 3% nylon Inner materials: 95% polyurethane, 5% polychloroprene Hook & Loop: 90% nylon, 10% Elastane Handwash in lukewarm water - do not submerge connector or controller Made in China Comes with a manufacturer's 1-year limited warranty Warnings: Should not be used while sleeping Persons with pacemakers or other implants, who have cancer or cognitive dysfunction, who have epilepsy, who have had recent surgery or injury, are under medical care or who are pregnant should not use the product unless they have cleared it with their doctor first The long-term effects of chronic electronic stimulation are unknown Do not use the unit in close proximity (1 yard) to short wave or microwave therapy equipment or if you are connected to high-frequency surgical equipment (e.g. diathermy) because of the risk of device malfunction due to electronic interference Caution: Consult your physician before beginning this or any weight loss or exercise program.