Telescopic Stylus Material: Metal, Silicone, Flocking Size Details: Before Telescoping: 15.5cm or 6.1inch (.) Total Length: 55cm or 21.6inch (.) Diameter: 1.3cm or 0.51inch (.). The pointer for classroom is very suitable for teachers' teaching, conference training, speeches, lectures, museum explanations, etc. Universal Pointer for Touch Screens: OurTelescopic Stylus Pen has unhindered access to all capacitive touch screen devices, such as Android or or or or Interactive Whiteboards and so on.This product is perfectly suitable for home, household, office, school, etc. No need to prepare touch screen gloves in cold weather. Highly Precise Flocking Tip: Designed with high sensitivity flocking tip, our hand pointer is compatible with tablet, electric whiteboard and other touch screen devices.does better in anti-scratch protection and responsive interaction with the screen. Free your fingers and get flexible clicking and smooth writing. Retractable Design: You will enjoy tactile pleasure and comfortable grip in daily use due to the triangular barrel Inner stainless-steel structure can be stretched to 21.6 inches(55cm) in length, for achieving remote screen control in classroom teaching, multimedia presentation and project meetings. Colour:Black Material:plasticandmetal Package Contents: 1 x Stylus Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.