UNIQUE CREATIV Safety Pins are nickel-plated steel pins for sewing, mending, fitting and craft organization. Each pin measures 50 mm (2 in), a useful size for holding heavier fabric layers, tagging project bundles and making temporary adjustments. The 90-piece pack supplies plenty of pins for sewing rooms, classrooms and household repair kits. Use for hems, costumes, quilting prep and quick fixes where a secure temporary hold is needed.