... piece button batteries 2.1pair/blister card , 144pairs per carton 3.G.W. : 10.5KGS N.W. : 9.5K Light lace,Luminous ... luminescent plastic strips into the luminescence holes on two sides.3.Strip insert aperture,luminous use theblock glue lock strip4.Press ... )flashing:fast flashing,slow flashing, light up9)Suitable for the shoes: skating sports, outdoor sports, night running, a large festive party ...