Important: Due to the nature of the product for hygienic reasons, we cannot re-use or re-sell it to anyone no matter what the condition is. Therefore, we cannot accept returns and refunds. Please choose the size carefully according to the size chart on the product description page. Please contact us if you have any questions before you order, as it's important to us that we are here to help as much as possible. Please do not place any order if you are not comfortable with this policy. Thank you so much for understanding!