2 Pairs of Natural Colour Liners - alternative to wearing full socks or tights. One Size UK 4-7 EUR 37-41. Material Composition: 60% Polyester, 35% Cotton, 5% Spandex.Ladies do not settle for anything less on style and comfort no matter if you are wearing heels or flats.These no show invisible liners are perfect for all occasions. They are hidden away when you wear heels, flats, ballerina shoes, booties and pump shoes. Please note that the visibility of these liners depends on your feet size and shoes design and they may not be always completely hidden away.