Laser LED & Stealth Pen with Flexible Tube (4 in 1 pen, multifunction pen) 1. size: 13.5 *1.1 *1.1 cm 2. Material: metal Laser LED & Stealth Pen with Flexible Tube (4 in 1 pen, multifunction pen)1. size: 13.5 *1.1 *1.1 cm2. Material: matel3. functions: red laser pointer, white LED light with flexible tube and stealth pen Laser LED & Stealth Pen with Flexible Tube (4 in 1 pen, multifunction pen)