Abstract: The combination of the shelf assembly and a locker having a spaced first and second vertical wall, including: a firsr pair of spaced supports releasably secured to the first vertical wall, a second pair of spaced vertical supports releasably secured to the second vertical wall, the first pair of spaced supports being longer than the second pair of spaced supports and extending vertically beyond the second pair of spaced supports; the first and second pair of supports presenting first and second sinusoidal support surfaces respectfully; and removal shelf members extending between the supports and solely supported by the first and said sinusoidal supports surfaces.