The advantage of biothane is its perfect waterproofness. The collar is never wet, so it never has bad odors.
Size
- S : Neck circumference = 19-26 cm / Width 1.9 cm
- M : Neck circumference = 25-36 cm / Width 1.9 cm
- L : Neck circumference = 34-52 cm / Width 1.9 cm