Using these Squishmallows Squooshems mystery packs is easy. Just open the pack and enjoy the surprise of finding your new mini Squishmallows character. You can keep it on your bedside to bring you joy before sleep, or take it with you when you go out. As for maintenance, it's simple. If it gets dirty, you can gently hand - wash it with mild soap and water, then let it air - dry. Remember, these are for ages 4 and up, so keep small parts away from younger kids to avoid choking hazards.