Gas lift ottoman storage base. The base is fitted with 2 high grade pistons built to hold the weight of the heaviest mattress & durable to withstand at least 10000. lifts. The base of the storage bed is raised wooden platform upholstered in a soft black fabric. The side rails are deeper than the average bed offering extra storage capacity up to 692550 Cubic CM's. The mattress base is made from Sprung Wooden Slats designed to offer contour support.