3 Piece Set Clear Riser Acrylic Small Showcase Jewelry Fixtures (3p-riser-small) 3 Piece Set Clear Riser Acrylic Small showcase Jewelry Fixtures Big one: 2.25H x 3.75W x 2D Middle size: 1.75H x 3.25W x 2D Small one: 1.25H x 2.75W x 2D The thickness of the plastic is 0.125 inch