The Benebone Medium 4-Pack Dog Chew Toys are designed specifically for aggressive chewers weighing 60lbs and under. Made of durable nylon material, these chew toys provide teething aid for dogs, promoting good dental health and satisfying their natural urge to chew. Perfect for medium-sized dogs, these toys offer a satisfying and safe chewing experience that will keep your furry friend occupied and entertained for hours.