Using this set is super easy. The zipper case is great for storing small items like keys, lip balm, or your phone. Just unzip it and put your stuff inside. The neoprene can cooler keeps your drinks cold. Simply slide your can or bottle into it. The handheld fan runs on your smartphone. Connect it to your phone's power source and turn it on to get a refreshing breeze. When it comes to maintenance, you can wipe the vinyl case with a damp cloth if it gets dirty. For the can cooler, hand - wash it with mild soap and water and let it air - dry. The fan doesn't need much cleaning, just make sure to keep the connection points clean. Remember not to submerge the fan in water as it's electronic. Enjoy your beach days with this wonderful set!