⚠This combination is a choice of three-purpose mask x4 + A6 hot stamping stickers ⚠Note that the color of the three-purpose mask is random and cannot be selected 🙅♀ Three-purpose mask: Outer layer: Water repellent / Inner layer: Antibacterial plain weave Origin: Taiwan A6 hot stamping stickers: Size: W10.2x H16.9cm . Passed SGS Waterproof and Antibacterial Certification . MIT system, reusable, cherish resources and love Taiwan! . 3 kinds of wearing methods, can be worn directly, can also be put into medical masks or filters . The masks are not scared if they are out of stock, wash them well, and protect your family and your health! . The mask cover can reduce the direct contact of the medical mask with the face and hands, and increase the time limit for using the medical mask . Black and gray colors are shipped randomly, no color picking . This product is a close-fitting product, once sold, you can not accept the return service ____________________________________________________________________________ About invoice issuance and delivery: <Personal invoice> 1. The company has fully adopted electronic invoices. After the customer purchases the goods and the payment is completed and the goods are shipped, they will be sent to you by ordinary letter after a 10-day appreciation period. 2. Personal invoices will be computer-matched on the 26th of each month based on the unified invoice winning number announced by the Ministry of Finance (except for invoices that have been requested / obsolete). If there is any winning, it will be notified by SMS, e-mail or by someone ’s phone. And send the winning invoice to you by registered post. 3. According to the "Key Points of Implementation of Electronic Invoices", when handling personal electronic invoices for return, you can agree on the Internet that Easyin will process the electronic invoices and sales return certificates to speed up the refund application. <Legal person invoice> 1. After the payment is confirmed, a paper invoice will be issued, and the invoice will be sent to the recipient address by ordinary letter after the 10-day appreciation period after you receive the goods. 2. Legal person invoice, you need to sign the sales discount when you return the goods. As long as the invoice is issued, it cannot be changed or exchanged for invoicing. If you choose a triple invoice at checkout, you cannot change to a double invoice. If you choose a double invoice at the time of signing, you cannot change to a triple invoice. If you have selected a vehicle or donated, you cannot request a paper copy. Please confirm at the time of selection that you should obtain an invoice from Erlian (individual consumption) or an invoice from Sanlian (for company reporting). Duoyi has fulfilled its obligation of notification, and in order to cooperate with the IRS policy to discourage the opening of Sanlian from Sanlian, the company Have The right to refuse to exchange invoices after considering various factors.