Box for packaging and/or disposal of instruments made in a single piece comprising: - two long side surfaces and two short side surfaces extending from a bottom surface to the top of the box; - the bottom surface comprises at least a raised surface placed parallel to the two short side surfaces characterised by - a right flap comprising a contact surface delimiting a central opening and a left flap comprising a contact surface also delimiting a central opening, adjacent to the two long side surfaces, the flaps (14,15) forming the top of the box when closed, wherein the flaps (14,15) have openings located in the central zone of the right flap and the left flap and adapted to facilitate the passage of a sterilizing agent into the container during a sterilization process; - at least one support taper pin having a support pin fitting surface, wherein the support taper pin is placed along and perpendicular to the bottom surface, and wherein the at least one support taper pin is adapted to support a spring system or fittings and to reduce the displacement of the instruments and other components placed inside box; - a spring system or fitting made between the surface of a support taper pin and central openings of the contact surfaces of flaps in contact surface and contact surface, wherein the fitting surface of each support pin is divided into four equal parts that engage the central opening of the contact surfaces of the flaps by manual pressure wherein the spring system or fitting is adapted to allow the opening and closing of box; - a recessed frieze in the inner surface of each flap (14,15) that fits in the two long side surfaces and the two short side surfaces. - two long side surfaces and two short side surfaces extending from a bottom surface to the top of the box; - the bottom surface comprises at least a raised surface placed parallel to the two short side surfaces characterised by - a right flap comprising a contact surface delimiting a central opening and a left flap comprising a contact surface also delimiting a central opening, adjacent to the two long side surfaces, the flaps (14,15) forming the top of the box when closed, wherein the flaps (14,15) have openings located in the central zone of the right flap and the left flap and adapted to facilitate the passage of a sterilizing agent into the container during a sterilization process; - at least one support taper pin having a support pin fitting surface, wherein the support taper pin is placed along and perpendicular to the bottom surface, and wherein the at least one support taper pin is adapted to support a spring system or fittings and to reduce the displacement of the instruments and other components placed inside box; - a spring system or fitting made between the surface of a support taper pin and central openings of the contact surfaces of flaps in contact surface and contact surface, wherein the fitting surface of each support pin is divided into four equal parts that engage the central opening of the contact surfaces of the flaps by manual pressure wherein the spring system or fitting is adapted to allow the opening and closing of box; - a recessed frieze in the inner surface of each flap (14,15) that fits in the two long side surfaces and the two short side surfaces.