These are #11 ceramic covered roofing granules manufactured by 3M. These are used to cover cap sheets, composition shingle repair, asphalt bleed out, torch down roofs, modified bitumen and built up roofing membranes. We have multiple colors not listed, so just send us an email. This is for a 3lb bag of blended colored granules such as Cedar, Hickory, Slate, Weatherwood, Resawn, Burnt Sienna, Charcoal, Chateau Green, Amber, Chestnut, Desert Tan, Barkwood, Estate Gray, Cambridge Gray ect. Just let us know your color choice!