The large area of Velcro can effectively prevent the cat from leaving the chest strap, and the lock can strengthen the fixation to prevent the cat from escaping
Large area Velcro can effectively prevent the cat from breaking away from the chest strap, and the buckle can strengthen the fixation to prevent the cat from escaping
A large area of hook and loop can effectively prevent the cat from escaping from the chest strap, and the lock catch can strengthen the fixation and prevent the cat from escaping.