SAFE & DURABILITYThis indestructible dog toy is designed specifically for medium/large dogs from 20-80 pounds and is not suitable for puppies. The innovative gas tank shape has been tested and approved by a variety of aggressive medium/large dogs such as Alaskan Golden Retrievers, German Shepherds and Labradors.Due to the soft nature of natural rubber, no dog toy is truly indestructible, and this toy comes very nearly through structural design optimization. .PAY ATTENTION TO THE DOGS' HEALTH AND SAFETY The dog toys for aggressive chewers large breed made of 100% eco-friendly natural rubber, BPA-free. Chewing habits that can grind their teeth, relieve anxiety, train, and also can reduce pet boredom, barking problems. This way your dog can maintain physical and mental health and play with you happily. .LAYERED TEXTURED & SQUEAKY DESIGNWhen dog chew the dog tooth grinding chew toy. Effectively grinding teeth and control tartar and plaque growth, promote your dog's strong jaws. squeaky dog toys creates fun sounds during chewing, provide long-lasting engagement making chewing more exciting for dogs. .ATTRACTIVE MILK FLAVORThis tough dog chew toys contains delicious milk flavor that dogs will love. Stuffing some butter or peanut butter and freeze will increase more interest.