Please check the last photo for confirmation. The Velcro is secure. This is a size M dog harness made with reflective material. It's suitable for dogs with a chest circumference of 32-44cm, a neck circumference of 48-63cm, and weighing under 20kg. - Size: M - Suitable weight: Under 20kg - Chest circumference: 32cm-44cm - Neck circumference: 48cm-63cm - Features: Reflective material Thank you for looking.