The disclosure of the present application includes a sterilization tray for instruments. In an exemplary embodiment of a sterilization tray of the present disclosure, the sterilization tray comprises a sheet having a first end, an opposing second end, and a center portion between the first end and second end, in which the center portion having an undulating profile with a plurality of peaks and troughs and having a plurality of openings formed through the sheet. The openings are positioned and formed to receive one or more instruments. In at least one embodiment, the center portion includes a corrugated profile. Alternatively, the center portion includes a triangular or saw-tooth profile. In at least one embodiment, the distance between adjacent peaks of the center portion defines a wave having a length, and the center portion includes a non-uniform profile comprised of one or more waves of varying lengths.