Using these Dragon Shield matte sleeves is easy. Just slide your cards into the sleeves one by one. Make sure to insert them gently to avoid any damage. When storing, keep the sleeved cards in the provided cardboard box. This box not only protects the cards but also has a label for you to personalize. To maintain the sleeves, keep them away from sharp objects to prevent tears. Avoid exposing them to excessive heat or moisture, as this can affect their quality. With proper use and care, these sleeves will serve you well for a long time in your TCG games.