Overall dimensions:79"L X 41.3"W X 35.4"H, Fits standard twin size mattress( not included) 10 strong slats and extra support leg allow up to 220lbs weight capacity. No spring box needed. Bed frame with headboard and footboard,prop some pillows behind your back and you will have a comfortable place to read.high footboard keeps bed textiles from falling onto the floor while you sleep.