DesignerStone®Panels are real stone slabs 5/16” thick. No bad backs here! Panel sizes are 4’ x 8’ and 5’ x 8’ and can be cut on site. Pick from our selection of Onyx, Marble & Travertine. Use for showers, backsplashes, fireplaces, walls, elevators, bars, furniture etc. All our Onyx can be backlit. DSP’s are waterproof, beautiful, eco friendly and Project Friendly.