Material:    Stainless steel   PP plastic  TPR plastic
      Size:    S    length 12.5 cm ( 5 ") width 5.0 cm ( 1.96 " )
                  M    length 15 cm ( 5.9" ) width 7.5 cm ( 2.95 " )  
   Color:     Blue  Pink
      Pet:     S    Suitable for small dogs, cats
                  M   Suitable for large and medium-sized dog