Verbatim DVD-RW 4.7GB 15pk Spindle Compatible with most DVD-ROM drives and DVD-Video players Compatible with DVD-RW writers from Pioneer and Sony. Super Eutectic recording layer optimizes read/write performance and durability Rugged, reusable "Jewel Case" spindle to protect from dust and damage for long term storage. No hassle Limited Lifetime warranty. Toll free 1-800 Technical Support Line.