✔IQ Dog Ball Toys: Comes with 4 Pieces dog ball toys, the yellow ball with side slots is treat dispensing ball, you can insert treats into the side slots for attracting dogs chewing and killing boring time, the blue ball with hallow center for dispensing treats, the orange ball will make unique and funny squeeze when you roll it. The red ball with hard plastic,unsuitable for chewing, just for fun-fetching playing toys ✔Interactive Dog Treat Ball Toys: Dog aggressive chew toys that you could insert many treats into the side slots and hallow center to observe your dog solves the puzzle of retrieving the tasty rewards. A fun toy for stimulating your dog’s mental and physical well-being. ✔Dental Health Care: The puppy chew toys is infused with fresh mint odor which well attract dogs attention, so dogs will have more interests in his new toy and enjoy to chew it. It is a good way to clean their teeth and keep their gums healthy. And the tough chew toys could training dog while playing fetch or let dogs play while munching on the slotted treats. ✔Non Toxic & Durable Dog Chew Toys : 4PCS pet chew toys are made of Non-Toxic natural rubber material,which safety, durable, strong, tough, soft, healthy and puncture resistant compared with PVC and TPR. Even resilient and bite resistant for your dogs grinding and cleaning their teeth. ✔IQ Training & Intelligence Improving: A smarter IQ training toys for cats or dogs which can be used as dog fetch play balls for outdoor games. And this dog toy can easily attract your pet's attention, help pets' intelligence improving ,and is convenient to train dogs. Keep Puppy Dogs from Chewing others. Package Includes: 4 x dog toy ball