The Martin D-1GT Dreadnought Acoustic Guitar is designed with Martin's legendary tone, craftsmanship and playability with extraordinary value. This model features solid sapele spruce backs and sides, a solid Sitka spruce top and is polished to a high gloss. Tonally, the advanced "hybrid" scalloped X-bracing delivers a powerful punch “ clear ringing treble and deep bass “ unique to Martin's 1 Series guitars. The D-1GT offers projection and bass response expected of this dreadnought body.. This product comes with a case.