... Flashing mode:slow/quick/keep on waterproof&fashionable CE&ROHS colorful LED flashing neck lanyard Patent design, dedicated production, specialized quality1) Materials ... Carton dimensions: 48 x 36.5 x 30cm,GW12KG,NW11KG. Colorful LED flashing neck lanyards • High-class material available • nylon safety ... slow flashing) • It's avilable for concert,party and gift. colorful LED flashing neck lanyard