Using this NFL dog t - shirt is easy. Just gently put it on your dog like you would a regular shirt. Make sure it fits well without being too tight. When it comes to maintenance, you can machine - wash it in cold water on a gentle cycle. Use mild detergent and avoid using bleach. Hang it to dry to keep the colors and print looking great. As for precautions, always check the size before buying to ensure a proper fit. If your dog shows any signs of discomfort while wearing the shirt, take it off right away.