Socks Supplement Just like a Kotatsu (heated table) Sleep Switch Okamoto Socks Colors: Pink, Lavender Size: 22-25cm Made in Japan For those who can't sleep because their feet are cold. Three sleep switches for a good night's sleep. *Please note that there may be stickers or sticker residue from the time of purchase. Thank you for your understanding. The contents will be shipped without the packaging m(_ _)m The bag will also be included. Just like a Kotatsu socks, Just like a Kotatsu sleep switch, many are on sale. Sensitivity to cold Warm-up activity Heat retention Socks Cold protection Socks Supplement