Quilters Select Perfect Cotton Thread is a durable, multipurpose thread made using long staple Egyptian Cotton. Beneath the Egyptian Cotton is a strong polyester core which makes Quilters Select Perfect Cotton Thread ideal for hand piecing, machine quilting, embroidery, and much more. Quilters Select believes that after one try, you will agree that it is the 'Perfect Cotton Thread.' Designed by Alex Anderson, this all purpose thread is a 60 weight (60wt). Each spool of Quilters Select Perfect Cotton Thread contains 440yds (400m) of thread. Available in 60 colors.