4 Drawer Storage Bed. This base has 4 solid drawers (2 on each size). Each drawer can hold 57|155 Cubic CM's| offering a combined capacity of 228|620 Cubic CM's. Each drawer has a 17.5cm depth| withstand 60 KG of weight and manoeuvres on 4 casters. The mattress base is made of Sprung Wooden Slats designed to offer contour support.