FALKE Seidenglatt 15 Stay Up in White. Size 8.5-9, 9.5-10. Self: 86% polyamide 14% elastane Band: 87% polyamide 13% elastane. Made in Serbia. Machine wash. Silicone coating prevents slipping. FREE Shipping & FREE Returns if unopened and unworn. Falke offers hosiery that is both elegant and comfortable. Based in South Africa, the collection features seasonal colors and patterns to compliment everyday looks without compromising fabric performance or quality.