Please note that the number in the style name indicates denier or density of the nylon. Dress up for the oncoming holiday parties in these gorgeous Wolford(R) Velvet de Luxe 66 Control Top Tights. Semi opaque tights with contouring control top. Elastic waistband. 81% nylon, 19% elastane. Machine wash cold, line dry. If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.