Flashing Pen(LED / light Pen) is novelty product and promotion gift, best for party supply, rave, promotion Necklace 7-Color Flashing Pen Item No: P004---7colors(Red,Green,Blue,yellow,pink,orange, white) come on the end of fibre option one by one alternatively and slow and fast..-- With Necklace cord as necklace --Great for gift , promotion, etc Necklace 7-Color Flashing Pen