Collar Size: Neck 10.35"-18.70", Width 5/8", Size Small; Bandana: 7.1 * 4.7".The collar does not stretch itself, please make sure leave ONLY 2 fingers between collar and dog/cat neck. A seamlessly fitting collar and harness won't leave any room...

Collar Size: Neck 10.35"-18.70", Width 5/8", Size Small; Bandana: 7.1 * 4.7".The collar does not stretch itself, please make sure leave ONLY 2 fingers between collar and dog/cat neck. A seamlessly fitting collar and harness won't leave any room...