From Spanx, this waist cincher features: SPANXshape™ provides medium compression for a shaping effect IInstant Hourglass Shape: Strong tummy and waist compression for a corset-like effect Flexible Bones: Comfortably contour and enhance your natural shape Lightweight Fabric: Delivers powerful shaping without added bulk Step-In and Pull-On Design: Easy to wear under special occasion outfits all-night-long Invisible Under Clothing: Features a free-cut and bonded design for a seamless look Nylon/elastane Machine wash cold/dry flat Imported.