Linette is a fine delicate transparent lycra 20 Denier hold-up with back centre seam. There is a 9cm wide lace at the top with double silicone strip. As a product expert, I can confidently say that the Gabriella Calze Linette 203 Hold Ups Black are crafted from the finest and most delicate transparent lycra, with a 20 Denier hold-up design and a back center seam. The hold-ups also feature a 9cm wide lace at the top, complete with a double silicone strip for a secure fit. These high-quality materials ensure durability and comfort, making them a must-have for any wardrobe.