Rust-Oleum Specialty Ultra-Flat Camouflage Spray. Deep Forest Green. Provides a non-reflective, ultra-flat finish for maximum hiding. Applies to metal, wood, plaster or masonry. Offers long-lasting protection when applied on top of primer. Fast-drying. For indoor and outdoor use and not for use on galvanized metal. For best results, use leaves and twigs as stencils.