Using these Fuzzyard dog pajamas is super easy. Just use the press - stud buttons on the belly side to put the pajamas on your dog. They're designed to fit snugly, so your dog will feel cozy all day or night. When it comes to maintenance, wash the pajamas inside out with clothes of similar colors. Don't soak them and avoid using an iron, as this will help keep the pajamas in good condition for a long time. Make sure to always check the fit on your dog, and if they seem uncomfortable, adjust as needed. Enjoy seeing your dog looking stylish and feeling comfortable in these great pajamas!