Apparently, small collars fit small breeds while big collars fit large breeds. (selfpetcare.com)
The PetSafe Deluxe offers a nice small collar with a cloth band that will fit the Airdal perfectly. (dogfencediy.com)
Services like GPS Pet Collar and TAGG make small collar receivers that give owners the ability to monitor their pets» real time and past activity via their smart phones. (premierpetrelocation.com)