ITEM NAME:Optical Glass X-cube Dichroic Cube Prism RGB Combiner Splitter 12.7*12. LRF Description Specifications: Material: Glass Color:As the Picture Size: 12.7*12.7*12.7*12.7mm Uses: used as teaching or research tool or used for decoration Product Features: With beautiful and unique design, there will be completely different color rendering from different angles at the same environment Packing List: 1 * X-Cube Note: This product is a craft that can only be used in optical experiments and science recognition. It cannot be used in projectors and cameras High quality store for you! Optical Glass X-cube Dichroic Cube Prism RGB Combiner Splitter 12.7*12.7mm.We'd like to settle any problem in a friendly manner. Material: Glass. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Uses: used as teaching or research tool or used for decoration.