Using this onesie is easy. Just put it on your baby like you would with any other piece of clothing. The bottom popper fastening makes it simple to get your baby in and out. As for care, remember to always machine wash it inside out in cold water. This helps protect the design and the fabric. Tumble dry on low to keep the onesie in good shape. Avoid using bleach or harsh detergents as they can damage the soft cotton material. And when you're not using it, you can fold it nicely and store it in a dry place.