This bed is made with cotton fabric, Polly fill stuffing and a thin layer of batting. It is made to sit on couch’s, chairs and even on the seat in the car. This style bed does not sit flat when it is upside down. It measures: 34” inches wide ( with the edges) or 23” wide ( with out the edges ). Length 27” long ( without the edges ) or 33” long ( with the edges). The mat is about 1/2 cm thick and the edges are about 4 1/2” thick.