Best Friend Keychains - Two Peas In a Pod keychain. Some friends just click, like peas in a pod! Give your best friend some love with this adorable keychain, complete with personalized circle tag and two-peas-in-a-pod charm. Add the names to the comments when you check out for personalization. Dog tag is approximately 1 1/8 in x 2 in or 3 cm x 5 cm.