This roll on wax heater gives you all the benefits of waxing, but with an easy to roll on applicator. No more spatulas and sticks! Waxing gives your skin that smooth and flawless feel you’ve always wanted. And this unit is able to heat up to 4 cartridges for your convenience! Heat up more wax and save time. The wax cartridges are disposable making most of the clean up an absolute breeze. The protective cover prevents dust so it lasts longer. This little unit makes a great addition to any home or salon!