Hi E, Thank you for sharing your feedback. We sincerely apologize for the issue you experienced with your Bentgo Water Bottle leaking. We understand how frustrating this must be, and we want to make it right. This product is backed by our industry-leading 2-year warranty. Please reach out to our customer support team at (714) 668-0300 or support@bentgo.com so we can assist you promptly and ensure your satisfaction. To help you get the most out of your water bottle, here are some tips and best practices: -Ensure a Tight Seal: Make sure the lid is properly aligned and tightly secured to prevent leaks. Avoid over-tightening, as this could affect the bottle’s performance. -Cleaning and Maintenance: Regularly clean all parts of the bottle, including the lid and straw, using warm soapy water. A bottle brush is ideal for reaching all areas. -Proper Filling: Avoid filling the bottle to the brim. Leave a small gap at the top to prevent liquid from spilling when the lid is closed. Your satisfaction is very important to us, and we’re committed to providing a positive experience with Bentgo. Please don’t hesitate to reach out so we can assist further. Thank you, Jessica Bentgo Support Customer Service