PINKIT Women's Ultrathin Cat Ankle High Low Cut Invisible Silk Cotton Soft Crystal Lace Elastic Socks - Pack of 4 (Multicolour, Free Size) Lace trim invisible crystal socks make you light and feel cool. Material:90%acrylic and 10% cotton,elastic,breathable. Size:one size fits all. Length: 7.87inch in bottom length and 3.94inch in tube length. Quantity: 4 pairs, four different colours as shown in image. Suitable for women, a perfect gift to yourself or friends.