This waist trainer was designed to mold your waist as well as melt unwanted inches. It pushes the fat from the midsection into your butter and hips. The neoprene/latex inner layer proved a sauna like heat to your midsection which in return helps to reduce fat in that area. It can be worn during workouts and is unnoticeable underneath clothing. No roll ups! With the 6 rows of clamps you are able to utilize your waist trainer for a longer period of time. It also helps with posture. This is a great way to maintain your waistline or create one. Waist training have been done since the beginning of time so that women could gain and or create that hourglass figure. If you wear your trainer consistently for at least 4 to 5 days a week you are guaranteed to see results! Handwash and air dry.