Ashley Furniture Signature Design - Zeth Sleeper Sofa - Twin Size - Easy Lift Mechanism - Contemporary Living - Basil High-resiliency foam cushions wrapped in thick polyester/nylon upholstery plush to the touch Included bi-fold twin innerspring mattress sits atop a supportive metal frame Concealed, easy-to-lift twin innerspring mattress comfortably accommodates overnight guests Attached back cushions and loose seat cushions, corner-blocked frame Dimensions Carton(Inches) W*D*H : 58x 37.5 x 38.5, Weight: 144 lbs, Mattress size (Inches): 33 x 72 x 4