Crystal key chain key ring. Features:
1) Function: twist the switch, the crystal will light up
2) LED colors available: red, blue, green, white or RGB 3 colors LED flashing
3) Customized images can be put in the crystal
4) Suitable for promotional items

Specifications:
1) Size of the crystal: 30 x 20 x 15mm
2) Materials: K9 crystal + metal key chain

Imprint:
1) Laser image in the crystal
2) Max. imprint size: 20 x 15 x 8mm

Inner packing:
1pc/box
100pcs/inner carton

Outer packing:
400pcs/master carton