Slateline Royal Slate Designer Laminated Architectural Shingles (33.3 sq. ft. per Bundle) (16-pieces)The sophisticated, dimensional design of Slateline Shingles brings the timeless look of slate to your home. With GAF's Slateline Shingles, you can now maximize your property's visual appeal. Your shingles will also be backed by GAF's Lifetime Limited Warranty. California residents see Prop 65 WARNINGS Diamond cut granules add dimension and depth to the shingle with their multi faceted design and light reflective construction Micro weave core offers a