These sexy 15 denier hold-ups are nicely finished with lace at the top. There are silicone strips on the inside to prevent them slipping down. Machine wash at 40 °C in a hosiery bag using liquid detergent 15 denier 1 pair Ultra-thin, smooth top band Silicone grip bands Stay in place all day without slipping or suspenders Feels like second skin, invisible under clothes, no digging or rolling Soft-stretch fishnet