This is an eco-warmer I received as a novelty item from Dr. Ci:Labo. It's a type that you warm up in the microwave. - Brand: DR.CI:LABO - Product Name: Eco Warmer - Size: Approximately 250mm x 150mm x 20mm - Material: Polyester, cotton, etc. Instant purchase without comments is welcome! ⚠Caution⚠ ● Price negotiations are not accepted. ● Although it is new and unused, it has been opened once to check the contents. ● Please be aware that it is stored at home and may have overlooked some things due to amateur inspection. If you are concerned, please be careful. ● Even if there are comments exchanged, we will give priority to transactions with those who have applied to purchase. We are very sorry, but please understand that it is on a first-come, first-served basis. ● We cannot guarantee exclusive listings, so we decline them to prevent any trouble.