Using this baby costume is easy. Just put it on your little one, and they'll be ready for a fun party or a cute photo session. When it comes to size, make sure to choose the right one according to your baby's height. For maintenance, you can machine - wash it in warm water on a gentle cycle. If there are stains, you can use non - chlorine bleach. When drying, set the tumble dryer to low heat and remove the costume promptly to avoid over - drying. If it gets wrinkled, a warm iron can smooth it out. Keep in mind that the color you see on your screen might be a bit different from the real costume because of monitor settings.