Sports big collar for a wide chest underwear thrust nylon training tourniquet for dogs dog productProduct description: It is scientifically developed on the basis of the study of the dog's body structure. Most of the common chest straps on the market are not strong, durable, and uncomfortable, which can cause deep or shallow effects on the dog's health, development, and psychology. This scientific and comfortable chest harness will not have any impact on the dog's health! Taking the dog out is also very cool! Product information: Material: Acrylic