WonderFil pre-wound bobbins Class 15 are wound with our 80wt DecoBob™ thread in a reusable plastic bobbin, which means there is no glue or wax holding it together (which also makes for happy machines)! DecoBob™ makes for an ideal bobbin thread as using a finer weight thread will also minimize the bulk in whatever you are doing, however DecoBob™ also has the strength, versatility, and reliability you can count on.
Sign up for our educational newsletter for sewing tips, free patterns and tutorials, project ideas, news, and updates. You can change your mind at any time by clicking the unsubscribe link in the footer of any email you receive from us. We will treat your information with respect.