50 Pack White Plastic Key Tags with Split Ring Holder, Label Window, Luggage Tags, Key Rings, Keychains. Durable material: made of tough plastic and metal, protects your label well, no distortion and odor-free. Size: approximately 2.2 x 1.2 inches (5.5 x 3 cm), with 0.8 inch (2 cm) diameter key ring; compact size for easy carrying, lightweight and convenient for labeling personal items. Easily identify your belongings: insert a white paper card to write on; the label inside is replaceable, ideal for distinguishing personal items. Easy to use: includes key ring for quick attachment; small writing card for convenience; label window opens and closes securely to hold the card in place; card can be replaced as needed. Multiple uses: suitable for home, office, keychains, key bundles, pet ID tags, luggage tags, rental management, storage facilities, and more.