Package content: buy this package and you will receive 2 pieces of retractable pointer sticks. This quantity is enough for your daily use and replacement and can also be shared with colleagues. Product size: the size of the pointer stick of this teacher when closed is about 17 cm, the length when it is extended is about 55 cm and the diameter is about 1.3 cm. The length can be flexibly adjusted. High quality material: our expandable Pointing stick is made of high-quality stainless steel material and PP material, which is durable and not easy to break. The matte handle design, anti-skidding, feels comfortable and light but strong. The piece is smooth and unobstructed. < p>Guardian design: the top of the pointer is designed with a finger, which helps students to concentrate and learn more focused. It is very suitable for teachers to guide reading and explain knowledge points in the classroom. Wide application: our telescopic teacher's instructions are suitable for blackboards, projection screens, bulletin boards, reading guides, role-playing games, etc., it is a good helper for teachers. In addition to being used in schools, they can also be used in offices and houses.