Dear Osama Sami, Thank you so much for taking the time to share your positive experience with us! We are thrilled to hear that you were satisfied with our service and your purchase of 100 Aligner Cases from SINCERE. Your kind words truly mean a lot to us and serve as a great motivation to continue delivering the best quality products and support. We wish you prosperity and success in your business and hope our products continue to be a hot seller for you! We look forward to serving you again soon and hope to receive your next order at your earliest convenience. Should you need any further assistance, please don’t hesitate to reach out. Best regards Chris