The NC 38MM 30 Pcs Pet ID Tag Bone Shape Double Sided Dog Cat Pet Name Phone Number ID Tag Charm Personalized, Key Ring Chain 30Pcs(10 Colors, 3 Each, Total 30) is a great way to keep your pets’ identification organized. This key ring chain features an aluminum alloy construction that is resistant to rust and corrosion. The chain is also scratch-resistant and non-fading, making it a great way to identify your pets in case of an emergency or lost. The chain comes in 10 different colors so you can pick which one best suits your needs.