1，Built-in sounder, will make a sound when love pet biting toys, to attract pet interest, bid farewell to silent companionship. 2，Do not hurt love pet chewing, chewing help clean teeth, exercise teeth. 3，When a dog feels restrained, annoyed, alone or under pressure, it will do destructive behavior. Toys can help the dog to consume some of its energy and play a role in decompression. 4，A linen material, environmental protection, safe and non-toxic, delicate touch, moderate size, soft and comfortable. 5，Built-in soft filler, high fluffy, good resilience, comfortable taste.