Hey there! Thank you for your feedback and sharing your experience with us. We're sorry to hear that the band on your Apple Watch Series 11 is not staying together as expected. Please feel free to reach out to us where we can find ways to help you with the band, we want to make sure you have an excellent experience with your watch. Here are few steps you can follow and see if it helps with the band: 1.Ensure the band is properly aligned and clicked into place 2.Check for any debris or obstructions in the band connections. 3.If the problem persists, you may want to consider contacting Apple Support or visiting an Apple Store for a replacement band or further assistance. We appreciate your patience and hope this helps resolve the issue. If you need further guidance, please don’t hesitate to reach out.