BUSTER Collars range has been extended with the new BUSTER collar for brachycephalic breeds. Finally, you can get a suitable collar for the brachycephalic dogs without having to adjust and cut the collar. Quick fastening system, Full body coverage, Multiple adjustment points for proper fit. The BUSTER dog collar for brachycephalic breeds is transparent and has the quick and simple “Clic” closing system which is well- known from the BUSTER Clic Collars. The collars are made of 100% polypropylene. Size XS is suitable for Pekingese, Japanese Chin, Brussels griffon, Chihuahua Breeds from app. 2-6 kg. Neck Hole: 3.1-3.5in Opening: 6.6-7.8in Length: 3.9in