帮mandy用英文给Andrea Tejeda写一封信： 包裹会标记为礼物送出请放心。为保证包裹能准确送达还需要提供邮编和瑞士的联系电话

Dear Andrea Tejeda,

I hope this letter finds you well. I am writing on behalf of Mandy, who would like to inform you that your package will be marked as a gift for safe delivery. Rest assured that it will be handled with care.

In order to ensure accurate delivery, we kindly request that you provide us with your postal code and contact number in Switzerland.

Thank you for your cooperation and we hope you enjoy your package.

Best regards,

[Your Name]