Collar us impressed! The Kazoo Funky Adjustable Collar is available in four sizes and three on-trend designs. The reflective stitching makes this entire tethering range suitable for day or night jaunts about town. The Tri-Point DURA-LOCK buckle has been engineered to provide a convenient and super secure locking mechanism which provides unmatched safety and security for your pet during walk time. Collars will fit Neck Sizes of Small- 23-30cm Medium - 28-40cm Large -37-55cm X-Large 47-73cm