Howdy Leia, thank you for asking us your question about the Samsung Galaxy Tab S9. If you've lost your S Pen for the Galaxy Tab S9, first check your tablet's location using the SmartThings Find app by selecting your S Pen from the Find card. If you're unable to locate your S Pen, we suggest purchasing a new one. If you have any other questions, feel free to contact Support. Thanks for being a valued Samsung customer. - Debra