There are a ton of AirPod owners out there and even more now with the release of the Pro model. Plenty of companies have been creating covers and accessories for charging case and this one from Killspencer is one of the most stylish and we've seen. Their AirPods Keychain simply wraps your case in a sliver of pebbled leather and you've got a rivet so you can use a keychain or an attachment accessory to keep them locked down and secure. 

$35, killspencer.com