Features ! Floating 3D Jewelry Display Medallion Coin Display Frame Display Stand Box Holder Suspension Frame. These square frame display stands made of ABS and PET plastic high transparency membrane, 3D floating effect display. Easy to use and dustproof. Simple push-to-open system, switching the display of collectibles between two flexible PET membranes for a 3D floating effect, getting a complete front and back view of the displayed object. Widely used. Ideal for exhibiting challenge coins, military coins, coins, stamps, medallions, gemstones, jewelry, photos, samples, etc. SpecificationsMaterial: ABS Plastic Frame + PE Membrane Flame Shape: Square Color: Black Container Size: Approx Outer Flame 7x7x 2cm/2.76x2.76x0.79", Membrane Area 5.6x5.6cm/2.20x2.20" Outer Flame 9x9x 2cm/3.54x3.54x0.79", Membrane Area 7.5x7.5cm/2.95x2.95" Outer Flame 11x11x 2cm/4.33x4.33x0.79", Membrane Area 9.4x9.4cm/3.70x3.70" Package Included10 x 3D Display Cases Weight: Please allow small deviation size due to human measurement. Due to the light and brightness effect of your monitor, there may be slight differences between the color tone of the photo and the actual item! Good for collectibles no thicker than 15mm and without sharp edges. The weight of the item should not be too heavy. Otherwise, there may be a way to keep your items in a fixed position without slipping.