Elastics and Elastomeric are routinely used as an active component of orthodontic treatment. Elastics have been a valuable adjunct of any orthodontic treatment for many years. There use, combined with good patient cooperation, provides the clinician with the ability to correct both antero-posterior and vertical discrepancies. The latex elastics have become integral part of orthodontics. From a clinician view it would be mandatory not only to know the clinical aspect of these elastics but also their basic properties, in order to extract the most out of these polymers.