Need some Super Strong Invisible Thread? Does the thread you have break too easily? Well PK Magic Creations has you covered! This is some of the strongest invisible thread we have seen that is still extremely invisible. This thread can hold up to an impressive 3oz before breaking, that is a full deck of playing cards! This thread has absolutely zero stretch to it which means its perfect for use with The Incredible Floating Pen. The best part of all, is its priced right at only $8 for an entire spool of 200 yards, that is a whopping 600 feet!