Using this baby onesie is a breeze. Just slip it on your little one through the bottom popper fastening. It's designed to be easy to put on and take off. When it comes to cleaning, remember to turn it inside out and use cold water in the machine. Then, tumble dry it on low. Make sure to keep it away from sharp objects to avoid any tears. Always check the onesie for any loose threads or buttons before dressing your baby. Enjoy seeing your baby look adorable in this wonderful onesie.