FROZEN INTERACTIVE DOG TOYSUpgraded design to be frozen to keep the dog cool, and freeze dog snacks on the surface of the toy. Do not give them to the dog before it is frozen, and do not let the dog play alone to avoid damage to the toys.) Note: Put in the refrigerator for at least 4 hours. REDUCE DAMAGE AND COOL DOWNLet your dog cool off in the hot summer, pass the boring time, relieve anxiety, and divert attention so as not to damage your home. This interesting toy can help release the stress of your pets and enhance their understanding and trust. HIGH-QUALITY MATERIAL: Made of high quality pet safe TPR material, which is 100% non-toxic and harmless to pets, flexible and bite resistant, not hurt the dog's teeth. (Sizes of Watermelon: length 4in/10.2cm, width 0.8in/2cm, height 4.5in/11.5cm; Pineapple: length 2.8in/7cm, high 4.7in/12c.) TEETH CLEANING TOY: The jagged bump design can help clean the dog's teeth and massage the gums. You can put pumpkin puree, mashed potatoes and peanut butter in the grooves to let the dog lick the food and have more fun. SUITABLE FOR SMALL MEDIUM DOG: The toy come with a sounding whistle implanted inside, and the Watermelon + Pineapple shape can attract dogs to play for a long time and brings different fun to the dog, very suitable for small and medium-sized dogs, but not suitable for aggressive chewers. It is easy to clean, just can be rinsed under the running water.