Hello Bob, thank you for taking the time to leave your feedback. I have tried to contact you regarding this matter as we would appreciate the opportunity to help resolve the issue, but we are awaiting a response from yourself. I am very sorry to hear you have encountered an installation issue. Please be aware, in order to ensure your mural has a long and healthy life, it's vital you follow our wall preparation and installation guides carefully and closely, to achieve maximum results. We are confident that as long as these steps have been correctly followed, you will not encounter any issues with your installation, as this process has been rigorously tried and tested by ourselves and many of our satisfied customers. Furthermore, as far as we are able to ascertain, there are no known defects in the mural materials we supply. We have used the same wallpaper material you have received for over 5 years and produce several hundred custom made peel and stick murals each month. Any defect in the materials would become immediately apparent to us through our customer base. Should you wish to discuss this further, please don’t hesitate to contact us at info@wallsauce.com and we will be happy to help you. Warm regards, Shannon.