This is a set of two pairs of gray socks, size 22-25cm, designed to promote relaxation and restful sleep. Instant purchase is welcome! Product Name: Socks Supplement Sleep Switch Size: 22.0~25.0cm Color: Gray, set of 2 Material: Acrylic, wool, others Country of Origin: Japan [Recommended for those who:] * Can't sleep because their feet are cold... * Are anxious when they feel they have to sleep... (Relaxation effect) * Turn on the 3 switches for sleep... * Feel warm all the way to your toes, like being wrapped in a kotatsu. [For cold protection during sleep] It covers the soles of your feet, where blood vessels are concentrated, and warms them all the way to your toes. Because they are open-toed, you can use them comfortably during sleep without your toes getting stuffy. [Notes] ☆ The color may differ slightly from the actual product depending on your computer environment and lighting conditions. Also, because of the simple packaging, there may be wrinkles upon arrival, so please understand. Instant purchase is available. We will ship within 1-2 days. If you have any questions, please feel free to send a message. Thank you for viewing.