Made of ABS and siliconoe.Hand motion sensor light. Adjustable head strap. Wave hand in front of the light to turn the light on and wave again to turn the light back off with the motion sensor button. Extra bright white COB light. Rechargeable polymer battery included. Three light setting, high, low, and flashing.Item Size: 2 W x 4 HImprint Area: 5/6 W x 1/4 H