Subject: Urgent Complaint about [Product Name] — A Long-Time Customer Seeking Solution [Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Position] [Company Name] [Company Address] [City, State, ZIP Code] Dear [Recipient's Name], I hope this letter finds you well. I am writing to express my deep disappointment and frustration with a recent experience involving your [Product Name]. As a loyal customer for many years, I have relied on your company's commitment to quality and excellence. However, my recent encounter has left me deeply dissatisfied and concerned. It deeply pains me to lodge this complaint, but I believe it is essential for your company to be aware of the issues I have encountered. On [Date of Purchase], I purchased your [Product Name] from [Place of Purchase]. Throughout the years, I have always found your products to be reliable and exceptional, which is why this particular incident has taken me aback. The problem arose when I received the product, as it exhibited several noticeable defects that were evident upon opening the package. Firstly, the [specific defect] was noticeably damaged, with clear signs of poor craftsmanship or mishandling. Additionally, the [another specific defect] appeared to be completely nonfunctional, rendering the product useless for its intended purpose. Given the significance of these defects and the amount of money I invested in your [Product Name], I truly expected nothing less than perfection. It saddens me to say that this experience has tarnished my perception of your company and has left me questioning the quality of your products. As a long-time loyal customer, I have always had faith in your brand, and I am confident that this issue can be remedied promptly. I kindly request that you take immediate action to resolve this matter by either replacing the defective product or providing a full refund. Moreover, I would appreciate it if you could ensure that necessary steps are taken to prevent such quality control issues in the future. This unfortunate incident has not only caused me inconvenience but also shaken my confidence in your brand's ability to deliver on its promises. I have enclosed copies of my invoice, purchase receipt, and any other relevant documents in support of my complaint. Additionally, I have attached photographs highlighting the mentioned defects for your reference. I genuinely hope to receive a quick response regarding the resolution of this matter, as it is crucial for me to have my trust reinstated in your company. Please address this issue promptly, as continued delay may lead to severe disappointment and the loss of a loyal customer. Thank you for your immediate attention to this matter. I believe in the value of excellent customer service and trust that you will handle this situation with the utmost professionalism. Yours sincerely, [Your Name] Enclosures: 1. Copy of Invoice 2. Copy of Purchase Receipt 3. Photographs highlighting defects.