Supreme Kartell Trix Modular Sofa Bed/Seat (FALL-WINTER 2020) Multi-Color Supreme@/Kartell Trix Modular sofa bed/ seat with three adjustable polyurethane foam components. Upholstered in technical poly with printed pattern and printed logo. 39.4" × 29.5" x 14.1" Purchased with the intention of displaying it at a show room, but ever got around to it. Open box, never slept on, barely sat on. Like new condition.