FREEZING INTERACTIVE TOYS: The toys can be filled with water in the sink or under the faucet, and put in the refrigerator for at least 4 hours before taking them out for dogs to play with. Note: No sound can be heard after the toy is frozen. (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.) Let your dog cool off in the hot summer, pass the boring time, relieve anxiety, and divert attention so as not to damage your home. FLOATING ON THE WATER: Whether there is water in the toy or no water, it can float on the water. You can play a throwing game with your pets while swimming to enhance the interaction between the owner and the pets. This interesting toy can help release the stress of your pets and enhance their understanding and trust. TEETH CLEANING TOY: There are a number of triangular protrusions on the surface of the toys, which can clean the dogs teeth, massage the gums, and maintain a good oral condition. You can put pumpkin puree, mashed potatoes and peanut butter in the grooves to let the dog lick the food and have more fun. (Note: only apply after freezing.) HIGH-QUALITY MATERIAL: Made of high quality pet safe TPR material, flexible and bite resistant, not hurt the dog's teeth. It is easy to clean, just can be rinsed under the running water. 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. Sizes of Watermelon: length 4in/10.2cm, width 0.8in/2cm, height 3.5in/9cm; Pineapple: length 2.8in/7cm, high 4.7in/12c Vibrant Cooling Chew Toy Set Designed for small and medium-sized dogs As another summer kicks into gear, pets are feeling the heat as we are, they are going to need some protection from hot weather. Gives you the perfect solution to cool down your dogs. This chew toy can help keep your dog's body temperature comfortable. Furthermore, you can add some toothpaste on it for dog's better teeth cleaning or put some delicious treats on the toy for more fun.