zinus brandi quick lock 30 inch wide day bed frame and foam mattress set zinus create a comfortable seating and extra sleeping space for your family and guests with the zinus quick lock day bed and foam mattress set. this daybed offers extra seating and sleeps one comfortably. the solid steel frame makes it sturdy and durable, a box spring is not required and the mattress is included. the zinus quick lock day bed set will work well in a guest room, den or in a small living space because of its compact size and extra storage space underneath. functional and stylish this daybed will work with any style décor and add a comfortable touch to any room.