I have a cotton thread Guttermann chest that I got about six years ago. I love it! I use the thread for applique and sometimes for making doll clothes. The many colors come in handy if I'm in a hurry as we no longer have a store here that sells thread. I have to go to the city or buy thread on line. I store the Guttermann thread case in a dark place, a closet, and the thread is still good. When Joann's had their last big on-line sale that started at 12:01am, I stayed up and was logged on at 12:01 to purchase the Guttermann polyester thread chest that they had advertised for 50% off. I like the thread that much! At 12:01, I got the message that they had already sold it out. I'll bet you'll find use for your threads. Congratulations!