The HALTI Collar incorporates a colorful two-tone design with a strong webbing outer and a soft yet durable easy-clean neoprene lining, ensuring comfort for the dog Reflective 3M Scotchlite strip for walking visibility in all conditions High grade nylon webbing for strength and durability X-Small Size: suitable for dogs with neck circumference between 8-12 in / 20-30 cm Metal 'D' ring for essential name and microchip tags