SIT & GET FIT! The only exercise that blasts calories while you sit, bounce & have fun! BURN MORE CALORIES! Burn up to 900 cal/hr* - plus HOPFit engages your quads, inner thighs, glutes, calves, back & abs! For all over body toning! LOW IMPACT! HOPFit is designed to burn calories even while just bouncing! A perfect solution to those with knee/joint issues. GET STRONG, LEAN ARMS! Use the bonus weighted gloves while bouncing to tone your arms, shoulders, chest & more!