Features 1、DURABLE MATERIAL: Made of glass with a black frame, the concave mirror ensures safety and durability for a long service life. 2、ADJUSTABLE VIEW: The 4in round concave mirror offers a 360 degree range of adjustment for viewing from any angle. 3、CLEAR REFLECTION: This round concave mirror provides a clear and accurate reflection for various scientific and educational purposes. 4、ENHANCED VISIBILITY: This concave mirror allows for optimal viewing angles and perspectives for effective visual demonstrations. 5、VERSATILITY: This round concave mirror is ideal for physical experiments and demonstrations in physics classes or laboratories. Specification Item Type: 4 Inch Round Concave Mirror Material: Glass, ABS Package List 1 x 4 Inch Round Concave Mirror 1 x Base