material:nylon/PU fibre size:50*2.5cm 2pcs CR-2032 led quantity: 6pcs/8pcs/12pcs Flashing LED collars Function:--LED Flashing will be made your dog more beautiful and cute--Visible up to 200 meters at night.--LED flash and reflection keeps your pet away from any potential accidents Led dog collar feature:webbing color -- Red,Blue,Green,Yellow,Orange,Black, Pink ,white and so on Size -- S:2.0*27- ...