Due to the nature of this fabric, it may vary from batch to batch. Sometimes they look a little crumpled. They may also have loose threads that need triming. Occasionaly you might find small bobbles and flaws. Once pressed you will not notice these minor imperfections anyway. The fabric prints exceptionally well. bags have been priced with these details in mind.
All heat presses vary but these are the manufacturers reccommended settings for sublimation: