Type 304 stainless steel with rubber sealer made with 16 gage stainless steel. Powder coated in multiple colors. Controls snow migration while maintaining a clean colorful appearance of the roof with perfect color and finish matching. Comes in quantities of 50 per 14lb box. And no caulk needed! S-5 ColorGard is only snow retention system that can be guaranteed for total system performance and exact color match for the life of the roof. Also, it’s penetration-free clamp attachment technology preserves the roof manufacturer’s warranty!