Boxer are well built breed which are medium in size. They have a wrinkled face which have mischievous eyes. These are playful which easily blend with the human family so hates being left alone. Boxer even though very joyful, exert extreme loyalty if it feels its loved ones are threatened. This is one reason why its preferred. Boxers need good exercise. The unique feature of Boxer is that it has the longest puppyhood – upto thee years. This gives them the distinct playful nature, being so it’s suitable for apartments.