Classroom whiteboard stylus feels great in the hand, sturdy and comfortable, comfortable sponge handle, sturdy when fully open, no wobbles, durable, portable, retractable, easy to carry and store. The pointer stick is suitable for traditional blackboards and electronic whiteboards and will not damage the screen. the best teaching tool for traditional blackboards, whiteboards, PPT, and monitors. a telescopic electric whiteboard teaching pointer and guiding flagpole. Offers extra punch with extended 39 extra- long hands. used for educational or training course instruction. stretching a full 39 inches, it brings the user closer to one side of the presentation. It can provide information to strengthen students knowledge of the subject. Teacher stylus with replaceable felt tip. The soft felt front end will not damage the screen, suitable for teachers, guides,, salespeople, commanders, commentators, effectively pointing out key information during presentations or teaching. Dear customer, if you are not satisfied with our products, please contact us in time, we will give you a high- quality after- sales customer experience, thank you.