Extend the life of your patterns with this non-woven tracing material for altering, duplicating and designing patterns and crafts. Pattern Ease tracing material is strong and durable and doesn't tear easily. Therefore, the copies can be used multiple times and can last for years. Easy to see through with a Lightbox or window (or any light colored surface), trace your patterns with a pencil, ball point pen, or any other tracing/writing implement. Also ideal for Fusible Collage projects - trace outline onto the Pattern Ease then position and reposition pieces until your design is just right!