This is a 100% silk eye mask with a 3-level heating function that gently warms the eyes. I received it as a gift, so there is no warranty. Would you like it as a present? - Brand: ATEX LOURDES - Model Name: AX-HX130 - Material: 100% Silk - Function: 3-level heating function - Usage Time: 20 minutes - Other Features: Gently warms the eyes Meme Hot This is a rechargeable hot eye mask. I will take it out of the box and fold the box for packaging. If you would like it unopened, the shipping cost will increase by +300 yen. Please contact me before purchasing in the comments.