Pet Voice Training Grinding Wear-Resistant Ball 100Pcs. Clean teeth and promote dentistry. The nails on our dog balls have been upgraded to be strong enough not to be damaged by the dog, and there is no risk of swallowing. Unconsciously, it helps improve the overall health and lifespan of its teeth and gums. Dog toys can stimulate boredom with built-in squeaking sounds and highly vivid colors: the squeaking sounds are hidden inside the dog ball and will not be squeezed out by the dog. Its unique design ensures that there is no risk of suffocation and only brings fun. 1 location includes the shipping cost to US. Orders of 3000 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.