Dear customer: We are pleased when you are happy using one of our products, and we know that you may need to return it at times for some reason. If you want to do so, this policy clarifies all the information you need to know: electronic vouchers and cards are case-sensitive, please enter the code exactly as shown. You can use the card/voucher only once. Vouchers and cards reviewed from your account or delivered via email or mobile message are not refundable or exchangeable at all unless there is a defect from the company. 3M STORE or its affiliated companies are not responsible for incorrect purchases made due to negligence or false/incorrect information entered, which may lead to damages/losses. By purchasing any electronic voucher/card, you release 3M STORE from liability. After receiving your order, 3M STORE is not responsible for any loss or damage to the goods purchased through it. Any loss or damage the buyer may suffer for this reason.