Cerberus MKII Gaming Bed in a Box Carbon Red (3 Sizes) Mattress:Coolmax Firm Foam Mattress Included. Save £25 on the Mattress When Bought Together! circuit style LED lighting and a circuit style LED lighting and a sturdy wooden frame that make the bedside look timeless in any bedroom the Panther Evo delivers a stronger and smarter desk experience the Cerberus arrives flat packed in a single box for quick and easy self assembly—so you can spend less time building and more time playing Sleep like a champion with the X Rocker Cerberus MKII Gaming Bed – the ultimate bed for kids and teen gamers who live and breathe eSports