If the instructions had been followed exactly, they would have worked effectively. Please let me know if you'd like a replacement pack or further assistance by replying to my private message. I'm here to help 3M Scotch verwijderbare plakbandis mat en herpositioneerbaar. Dit heeft ons standaardbreedte betreffende 19 mm en https://iblog.iup.edu/gyyt/2016/06/07/all-about-burnie-burns/comment-page-5316/?replytocom=317187