This tummy control shapewear has a silicone grip on the front waistband, and 2 built-in flexible bones on the back waistband to prevent rolling and sagging let this shaping panties in place, day to night. FEATURES Soft Crotch Fabric for all-day Long use. Silicone grip on front waistband to prevent slipping down 2 Flexible Bones on the back waistband to prevent rolling. RESULTS Tighten your bottom, lift & shape buttocks for a sexier curve Help you make a charming hourglass figure Creates a curvier silhouette underneath your clothes