This LED light is able to light up, and it is good for outdoor and parties. This bone shaped light can be hanged on the backpack. It comes with two AG13 batteries, and it works with those batteries. The shell is ABS, where your logo can be custom on the front. There is a button on the back to control the power. 1 7/8" L x 1 7/8" W x 3/8" H
