Hi Tingjian, Thank you for sharing your feedback. We sincerely apologize for the issue you experienced with your Bentgo Glass Salad Container lid breaking. This container is backed by Bentgo's industry leading 2 year warranty. We’d really appreciate the chance to make things right. If you're open to it, please reach out to our customer support team at (714) 668-0300 or support@bentgo.com so we can assist you as quickly as possible. Your satisfaction is very important to us, and we’re committed to ensuring you have a positive experience with Bentgo. We look forward to hearing from you and resolving any issues. Thank you, Jessica Bentgo Customer Support