Halti Anti-Pull Harness Harness designed to prevent the dog from pulling, it is used during training, in behavioural therapy, calms excited dogs, helps walking on the leash. Features: - Prevents the dog from pulling - Dog and puppy training aid - Helps to calm restless dogs - Shoulder control, so it goes in the direction you choose. - ideal when used in conjunction with a two-clips leash, optimal control - Simplifies training and behavioural therapies - Padded straps for better comfort - Adjustable Dimension: S= 30 to .60 cm chest circumference M= 61 to 80 cm chest circumference L= larger than 80 cm of chest