Put your feet up and enjoy wearing these colourful black cat and moon socks made from sustainable bamboo. They come in two shoe sizes - UK 3-7 and 7-11. - Yarn: 75% bamboo viscose, 22% polyamide, 3% elastane - Machine washable at 40 degrees - Benefits of bamboo; supersoft comfortable and durable, breathable fabric that keeps feet fresh and dry, naturally anti-bacterial & hypo allergenic, 40% more moisture absorbent than cotton - Eco-friendly