designed and manufactured for the Pioneer DJM-900 Nexus mixer. Custom-made to keep your mixer safe! It's made of polycarbonate, a robust and translucent plastic that's both durable and impact resistant, making it a worthwhile investment. The cover protects the faders and knobs from dust, liquids, and other potentially harmful substances. Cables are accommodated, and controllers are encased. Individuals use it since it's recommended by the business!