Dark chocolate surrounding gianduja -- pure, all-natural hazelnut paste whipped with dark chocolate. This alluring center is tantalizing -- an artisanal combination of nuts and chocolate you won't soon forget. Crafted in small batches to ensure absolute freshness.54% Cocoa Content Dark Chocolate Bars. Pure Belgian chocolate. Approximately 2-3/4 inch wide, 4-7/8 inch long, and 3/8 inch thick.