MATERIALS UPGRADING: The rope material uses the same material as the body armor. The suction cups and suction balls are made of food-grade TPR, which is known for its bite resistance and toughness. Safe and harmless, Its advantages over similar products on the market are better bite and chew resistance, higher quality, and longer life. MULTIFUNCTIONAL INTERACTIVE DOG TOY: This is a dog toy with sound, which has functions of cleaning teeth, grinding teeth, interactive tug of war, and automatic food distribution. Long-term use can effectively improve the dog’s IQ and agility. You can also fill your dog ’s favorite snack with a dog bite toy ball, and it will overflow during play. It can make the dog no longer annoyed by boredom and successfully attract the dog’s attention without damaging the furniture. IMPROVE DOG’S ORAL HEALTH: Chewable rubbers in 360degrees. effectively cleaning pet’s teeth. It is designed with small soft round spot and jagged rubber, the serration inside can clean