... Iron 2)Eco-friendly, washable, Nickel-free 3)Oeko-Tex 100 standard 4)Competitive price ... time 1) MaterialBrass/ Iron / Alloy2) Colorsnickel/nickel free, anti-brass, anti-copper, gun metal, light pewter ... , dull-nickel, nickel free dark pewter, nickel free light pewter, nickel free dull-nickel, and more3) Size27 ... Metal/Brass/Iron/Alloy nickel-free eyelets for garments/shoes/curtains/tents