Multi-purpose loose leaf rings are made of tough steel that are nickel plated and then painted in an assortment of metallic colors. Rings open and close easily and have a precision snap catch for secure locking. These rustproof rings are strong and durable. Sheet Capacity is approximately 125. Ideal for use with swatches, keys, documents, bulky loose leaf material, memos, keeping flash cards together, pocket charts and more! Each pack includes 10 rings in assorted metallic colors. Sold as 12 packs for a total of 120 book rings.