... 1) MaterialBrass/ Iron / Alloy2) Colorsnickel/nickel free, anti-brass, anti-copper, gun metal, light pewter, dull-nickel, ... to ask us any questions about products.ProductsEyeletsMaterial Brass/ Iron/ AlloyColor VariousSize27*20*6.4ShapeRound and ovalApplicationBaby ... eyeletsQuality Control Oeko-Tex Standard 100 Certification Metal/Brass/Iron/Alloy nickel-free eyelets for garments/shoes ...