The Ancol Viva Nylon Collar is a strong and durable collar in a sleek and simple design. Nylon is an excellent material for both collars and leads as it is strong, lightweight, and weatherproof; this allows your dog to get out and about in rain and shine. The Ancol Viva Nylon Collar’s sleek design features heat-sealed buckle holes and a sturdy, satin-finish buckle and D-ring for simple adjustment and lead attachment.