BINGPET Tough Durable Chew Braided Rope Cute Dog Safe Activity Toys for Large Dogs 36 inches in length with 5 knots of 3.9 inches diameter Made of durable 100% cotton, best for aggressive chewers Knotted rope for interactive play, great dental chew for adult dogs Helps improve oral hygiene by cleaning teeth with chewing Provides playtime of fun and exercise, makes life colorful