"Sake Set" This is a sake set that includes a tokkuri (sake bottle) and a warmer, allowing you to enjoy warm sake. "Heat-Resistant Glass, Hot Sake Compatible" Made with heat-resistant glass, you can pour hot water into the outer bowl to create gentle and delicious "lukewarm sake." A warm drink in winter will warm your body. "Cold Sake Server" You can easily make cold sake by putting ice water in the bowl. It can keep drinks warm or cold, so it's useful all year round. "Thick Molding, with Packaging" It's slightly thicker than ordinary sake sets, making it durable and less likely to break, perfect for everyday use. #Tokkuri (Sake Bottle)"