This durable nylon webbing dog collar features inner padding infused with ceramic fabric technology for complete comfort, recovery, and relaxation. The collar has a buckle closure for easy adjustability and a ski clip closure for easy on/off. Ceramic technology is known to help with muscle function, circulation, and recovery. XS and S sizes are not adjustable, while M - XXL sizes are adjustable. Available sizes: Small - 25cm, Medium - 33-43cm, Large - 41-49cm, XLarge - 51-57cm, XXLarge - 61-69cm.