Premium Zinc Alloy Construction – Heavy duty key rings made with high-quality metal and electroplating for superior corrosion resistance, rust-proof durability, and a mirror-like polished finish. Customizable & Waterproof Labels – Key fobs with labels includes 30 blank silver labels for writing (oil-based marker or quick-drying pen) or laser engraving—ideal for permanent, smudge-proof identification. Sturdy 3cm Split Key Ring – Extra-wide 1.2-inch diameter ring securely attaches to keys, luggage, pet collars, or USB drives without slipping off. Compact & Practical Size – Each 2.5x4cm (1x1.6in) metal tag is large enough for clear labeling yet slim for easy attachment to almost anything. Multi-Purpose Organization – Perfect for key ring tag, pet ID tags, luggage labels, or office equipment—prevents loss and keeps items neatly identified.