6 feet long, 1 inch wide.

Colour-coded to indicate your dog's temperament and needs:

Red - CAUTION (dog needs more space)
Orange - NO DOGS (doesn't enjoy the company of other dogs)
White - DEAF/BLIND (dog can't hear or see you)
Yellow - NERVOUS (nervous dog, needs more space)
Blue - TRAINING (don't pet or approach without owner's consent)