NextStone Stacked Stone Panel Bedford Charcoal (5 Panels Per Box)(18.15 Sq. Ft. Per Box) Matching Accessories: Sandstone Ledger & Ledger Corner, Window and Door Trim: Charcoal Matching Corners: Stacked Stone Outside Corner Bedford Charcoal; Sandstone Outside Corner Charcoal Durable and Lightweight. Quality Polyurethane panels cast from real stone Certified Green Product. Easy Installation Energy Savings With Increased R-Value