From Spanx, this shaping thong features: SPANXshape™ provides medium compression for a shaping effect Advanced Single-Layer Printed Power® Technology: Made with LYCRA® FitSense Print™ Technology, this thong provides powerful tummy and waist control Maximum Comfort: Lightweight, breathable, moisture-wicking, and silky-smooth fabric for all-day comfort Undetectable Beneath Any Outfit: Free-cut leg openings for a no-dig fit and thong design so no VPL (visible panty lines) No-Slip Waistband: Silicone-enhanced waistband prevents shifting (without squeezing) for a comfortable, secure fit Cotton Gusset: For a comfortable and breathable fit and feel Nylon/elastane Machine wash cold/tumble dry low Imported