Dear [Company Name], I hope this letter finds you well. As a long-time customer of your esteemed brand, I am writing to express my deep disappointment and dissatisfaction with a recent product purchase. I have been a loyal purchaser of your products for [time period], and until now, my experience with your company has been nothing short of excellent. However, on [date], I purchased [product name] from your [store/website]. Regrettably, the product did not meet my expectations and failed to deliver the promised quality and functionality. Upon receiving the item, I noticed that it was defective and did not perform as described. Firstly, the product's [specific defect/damage] was apparent, compromising its intended purpose. Additionally, the [specific issue with the product] further hindered my usage, leaving me both frustrated and inconvenienced. As a loyal customer, I expected a product that would be durable and reliable, but this purchase has left me with a negative impression. I understand that occasional defects can occur; however, as a long-time customer, I do not expect such a lackluster product from a brand I have grown to trust. I firmly believe in your company's commitment to customer satisfaction and request that you rectify this situation promptly. To remedy this situation, I kindly request one of the following options: 1. Product Replacement: I would appreciate a replacement of the defective product at no additional cost. I trust that the replacement will be of the highest quality and devoid of any defects. 2. Refund: If a replacement is not possible, I request a full refund for the faulty product. I have retained the original packaging and receipt for your reference and will gladly provide any additional information required to process the refund. 3. Store Credit: In the event that a replacement or refund is not feasible, I would be open to receiving store credit equal to the value of the faulty product. This credit can be applied towards a future purchase, allowing me to continue my loyalty to your brand. I hope you understand my disappointment given my long-standing relationship with your company. I believe in your commitment to customer satisfaction and trust that my concerns will be addressed promptly. Please consider this letter as an opportunity to rectify this situation and maintain my loyalty as a customer. I kindly request a response within [reasonable time frame] outlining the steps you plan to take regarding my complaint. If I do not receive a satisfactory response, I may have to reconsider my future purchases from your brand and potentially explore alternative options. Thank you for your attention to this matter. I look forward to your prompt resolution and to continuing our positive customer relationship. Sincerely, [Your Name] [Your Contact Information]