• Built-in sounding device, continuous sound to attract dogs' attention, prevent boredom and destructive behavior• Simulated sole design with raised particles, clean teeth and massage gums while playing• Made of soft latex material, bite-resistant and harmless to dogs' teeth• Cute slipper shape, highly attractive to dogs, meet their chewing needs• Relieve dog anxiety, consume excess energy, keep dogs healthy and happy• Two sizes available, suitable for small, medium and large dogs• Safe and non-toxic, no harmful substances, safe for dogs to chew