Instinctual Needs: This pineapple shaped dog chew toy helps satisfy dogs' instinctive needs and provides mental stimulation. Healthy play is important for a dogs physical and mental development, emotions and behavior. By encouraging healthy play and satisfying instinctual needs, this toy helps solve chewing, separation anxiety, teething, boredom, weight management, crate training, barking and more SAFE TO CHEW: Our dog chew toy is extra firm and durable, it will not be brittle into pieces or break in half when chewed. Made of non-toxic food grade rubber. Tested and approved by German Shepherds, Pit Bulls, American Foxhounds, Mastiffs, Alaska and many other aggressive chewers. While no dog toy is truly indestructible, but this one comes very close. Improves Dental Hygiene: Helps improve your dog's dental hygiene to keep him healthy and save money on your dog's dental bills. Chewing can help clean teeth (dental calculus) and control plaque and tartar. Effectively cleans teeth to promote oral health and soothe tooth discomfort. GREAT FOR STACKING: This chew toy is even more appealing when filled with kibbles, peanut butter, treats. Dishwasher safe for easy cleaning. The large size is approximately 18cm in height and 9cm in diameter.