ATB100 Aere Series Plastic Trombone Red. The advent of extrusion technologies and wild imaginations on the part of musical instrument builders has resulted in the availability of a generation of plastic construction instruments. The first such instrument to hit the market was a plastic trombone. This is the ATB100 Aere Plastic Trombone, a low-cost alternative to a brass trombone. The most important criterion in selecting an instrument is sound quality, and each ATG100 Aere plastic trombone is precision-made to a detailed specification developed through extensive research. The result is a truly responsive instrument suitable for novice and pro players alike. Made from lightweight super-resilient toughened ABS plastic, these instruments are easy to hold and easy to transport, and no more worries about dents and damage. Allora, maker of exceptional and affordable brass instruments, is now offering a revolutionary design in the form of their AERE Series composite instruments. Developed from durable ABS plastic the AERE trumpets and trombones are lighter and more affordable than their brass counterparts, but still function as truly exceptional and versatile instruments.Like all Allora instruments, the new AERE Series is designed with True Note Technology, combining metal with ABS plastic to create structurally sound instruments with a unique blended brass instrument tone. AERE also benefits from a unique plating process that enables the instruments to radiate with an outstanding metallic finish. From the football field to the concert stage the look of these instruments get almost as much attention as the sound.