... plastic case 4.Bulb:1red&1white led light 5.For promotion gift Mini LED Bike Lights with Plastic Case and elastic Rubber BandDetail Description:MaterialABS plasticSize ... set,packed with a blister backing card,400sets/ctn,ctn size:45x50x35cm,g.w.:17kgs,n.w.:16kgsFunction:1)Powered by ... 2pcs of CR2032 batteries,2)With ABS cover and high transparent lamp,long life ...