I'd say this ring is probably titanium, but it's not heavy at all! The ring feels like plastic and is actually just stronger than regular rings. I doubt it's not made entirely of titanium, or rather not the kind of titanium you want when you're looking for something as durable as a climbing carabiner.
Stainless Steel Husband Keychain with Stamped Relatives for Enhanced SEO
31 Review
Academia Keychain Keychains Todoroki Double Sided: The Perfect Accessory for My Hero Academia Fans
22 Review
KeySmart Magnetic Keychain Secure Attachment Men's Accessories
63 Review
Titanium Keyring by BANG TI: Easy-to-Use Operation for Ultimate Convenience!
50 Review