Magic Triangular Prism Crystal Suncatcher Pendant Clear Optical Glass Rainbow Maker Crystal Pendant Necklace Jewelry Feature: Material: Lead Free K9 Optic Glass, Which Has Extremely High Light Transmittance and Light- Refacting Characteristics Functional Use: Equilateral Prism Divides the Beam Into Spectral Components(Rainbow Color) That Can be Widely Used in Learning Physics Experiments, Teaching Aids. In Addition,the Prism is Used to Create Unique Photos Making Color Light: The Crystal Prism Can Create Beautiful Visual Effects by Refracting the Beam Into a Colorful Spectral Component. Suitable for Photography, Physics Experiments or as an Entertainment Toys Item Type :Suncatcher Pendant Material: K9 Optic Glass, Color:Clear Size: Length 3cm/1.2" More detailed,please see photo. Quantity:1 Pc. Note: Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Suncatcher Pendant.