• Metal binding rings with an inner diameter of 20 mm and an outer diameter of 25 mm. • Made with high-quality metal, painted with vibrant colors, durable and rust-resistant. • Easy to use thanks to their swivel rivet design; simply pull to open and press to close. • Various colors that help distinguish items and add a touch of color to your organization. • Ideal for holding documents, cards, tags, scrapbooks, keys, and more. • Package dimensions: 8 cm wide, 5 cm high, and 7 cm long.