Using these card sleeves is easy. Just slide your cards into the sleeves one by one. Make sure to align the cards properly to ensure they fit well. When it comes to shuffling, the sleeves will give you a smooth and satisfying feel. As for maintenance, keep them away from sharp objects to avoid scratches. You can clean them with a soft, dry cloth if they get dirty. Don't expose them to extreme heat or moisture, as this could damage the sleeves. Enjoy your gaming with these awesome sleeves!