6-Week Old Puppies The first set of puppies shots competed for 3 Male current weight 2.5 pounds and 1 Female 2.00 pounds boxer puppies. Boxers are very loyal, intelligent, and very friendly and lovely. Boxers are very cheerful, and their inquisitive nature means they love to be silly, explore, and play games. Boxers are champion smugglers. Many owners have reported that their boxer loves to be held like a baby and is excellent with children.