NWT Spanx Slim Straight Pull On Slimming Opacity Tech Pants Classic White L Reg Patent pending Ultimate Opacity Technology lines the inside of the garment for ultimate opacity and smoothing Pull-on design for a completely smooth front Hidden core shaping technology 4-way stretch cotton fabric for comfort and smoothing Machine washable for easy care Functional back pockets Body: cotton/rayon/elastane; lining: polyester Machine wash/line dry