You can purchase Christmas wrapping paper from various sources, including local department stores, stationary shops, or online retailers. Online shopping offers a convenient option to browse and purchase wrapping paper from the comfort of your home. Some popular retailers include Amazon, Walmart, and Target. Additionally, independent craft stores and small businesses often offer unique and personalized wrapping paper designs, which can add a special touch to your gifts. It is always a good idea to plan ahead and purchase wrapping paper in advance to ensure you have enough for all your gift-giving needs.