this review title is: prompt response and the content is: the first time buy the threads and they were easy to use and perfect for beginners the company gifted me a pack of pdo which i thought was very good my second purchase was screwed thread the company however send me the wrong ones pdo i emailed them and their responses was almost immediate they promised to send me the correct ones as a replacementwill post another review if and when i get the replacements.there are other information for this review, one is this reviewer did not purchase it and the other is 1 people think this review is helpful.