The Icelandic+ Plus Large Lamb Horn Dog Chew is a healthy and delicious treat that provides your dog with hours of chewing enjoyment. Made of keratin, not a bone, this chew is small and has a high-quality taste. The air-dried design helps reduce tartar and plaque buildup in your dog’s teeth. The large horns are a single ingredient and come in a variety of natural colors for large dogs 30-99 lbs.