... print can be customized 4)Various LED color,red,yel Hot led lanyard necklaces/flashing led light necklace/led light up necklace1.plastic flashing necklace ... ,heart,oval,bottle shape,star,hello kitty,square,etc3.led light:red,blue,jude,blue,yellow,orange,white,pink,purple ... a breakaway clasp7.3*LR41 batteries included8.Factory price can be offered9.OEM&ODM are warmly welcome Hot led lanyard necklaces