Pet bed with zipper, removable and washable, mat and backrest are not removable – Main fabric of this dog bed is short plush, feels delicate, filled with sponge! It can be used as a sofa – Back of bed body are designed with Velcro, mattress look design – Size reference: The overall length of the bed is about 56 cm, the width is about 45 cm, the thickness is about 8 cm, and the backrest is about 31 cm.