Description Optical Crystal Presentation Box Base attached Sizes: OCET04 (small): 4 1/2" x 4 3/4" x 1 3/4" OCET05 (medium): 5 1/4" x 5 3/4" x 2" OCET06 (large): 6 1/4" x 6 3/4" x 2 1/4"