This is a ChapStick cap with a bridge for attaching to a keychain. This cap will replace the existing cap of the ChapStick. Since ChapStick diameter sizes are mostly university, it will work will almost all brands of ChapStick! It's very difficult to attach a key ring to this cap so a keychain hook is recommendedCreated via Google Sketchup Pro 2014. I prefer .3ds files when creating 3D CAD files because they are more friendly with Google Sketchup