The Pattern Ease Tracing Interfacing is from HTC Retail Division. This interfacing is a non-woven tracing material for altering, duplicating, and designing patterns and crafts. This material is durable and doesn't tear easily. Therefore, the copies can be used multiple times and can last years. Patterns can be traced by a pencil, ball point pen, or by any tracing pencil. The Pattern Ease Tracing Interfacing is made of 80% polyester and 20% rayon and measures 46" wide.