The Extreme range applies 50 years of experience of dog accessories with durable and functional products tested on large and adventurous dogs, with nylon outer weave for endurance with neoprene padding for ultimate comfort. All the Extreme range feature reflective points for increased visibility in low light. Collars feature a hook and loop adjustment for fit with a utility clip. Available in 3 sizes: Size 2 (26-30cm), Size 3 (30-34cm), Size 5 (40-46cm), Available in Black & Red Matching leads, harnesses, shock absorbers, and coats available Important: Ensure that the metal D-ring, not the utility clip is used to attach a lead. When fitting a collar make sure there is a two-finger gap between your dog's neck and the collar. We are committed to reducing our packaging and using recycled and recyclable packaging. This item is supplied with packaging that is widely recycled.