Using these maternity nursing pajamas is easy. Just put them on like you would any regular pajamas. When it's time to nurse, you'll find them very convenient. For washing, use a gentle cycle in the washing machine with mild detergent. Avoid using bleach as it may damage the fabric. Hang them to dry to maintain their shape. Also, make sure to check the size before purchasing to ensure a perfect fit. These pajamas are designed to provide comfort throughout your pregnancy and postpartum period.