Extreme Dog Collar Red Ancol's Extreme Dog Collar is a strong, durable and comfortable collar ideal for even the most active of dogs. The collar has a Nylon outer weave for endurance and Neoprene padding for ultimate comfort. There is 2 points of reflective piping for visibility in low light. Ancol's Extreme Dog Collar has a velcro hook and loop adjustment for a comfortable fit on your dog. It features a heavy-duty multi-functioning utility clip for attaching a variety of accessories. Key Points: Hard-wearing Nylon material Red in colour Reflective piping Weatherproof Velcro hook and loop adjustment The collar is available in different sizes. Important: Ensure that the metal D-ring, not the utility clip is used to attach a lead. Important: Please ensure to get a collar that is large enough to allow you to insert two fingers under it comfortably. Important: For comfort and security, check the fit of your dog’s collar every day. Small = 30-34 cm Small-Medium = 34-40 cm Medium = 40-46 cm Large = 46-54 cm