... 2012 New Style Specifications:2.5*35-50 (S.M.L) Material: TPU,ABS,LED,PET.LED High Brightness Light Reflective ... Flashing Mode:Static light, fast flashing,slow flashing size ItemW*L (cm) S size2.5*35-43 M size2.5*40 ... -48 L size2.5*45-52 XLsize2.5*52-60LED Pet Collar ...