Optical Quantum OQBDRDL06LT-10 6X 50 GB BD-R DL Blu-Ray Double Layer Recordable Logo Top 10-Disc SpindleBlu ray discs are designed especially to store large HD video and audio files. All Optical Quantum Blu ray discs are treated with a super hard coat to prevent scratches, resist fingerprints and reduce dust build up Blu ray discs use blue violet laser technology to read and write data. NOT compatible with all LG 6x, LG 8x, Pioneer 4x, and Pioneer 8x Blu ray burners. Please go to opticalquantum. com for more info. This double layer Blu ray disc offers