Made of hard plastic and metal, can protect labels well in it, durable and reusable, lightweight _x000D_ Sturdy plastic key fob: key fob for easy connection, with a small handy card to write on; The label window can easily open and close to keep the card safe, and the card can be replaced at any_x000D_ moment without removing the ring _x000D_ Tag size, portable: about 2.2 x 1.2inch / 5.6 x2.9cm, with 0.8inch / 2cm diameter keychain, weight 3.8g; Lightweight and portable, reusable. Quick and easy to identify your items _x000D_ 4 assorted colors to meet your needs: pinkish, yellowish, pale blue, pale green; Package included: 40pcs _x000D_ Ideal for home, offices, key chains, key clusters, Pet ID tags, luggage tag, rental management companies, storage facilities and more