Dog collar size:
3.25mm,10 links,23 inch(58 cm) additional link 1 2/5 inch(3.5 cm)
3.99mm,10 links,26 inch(65 cm) additional link 1 4/5 inch(4.5 cm)
Will do for dogs with weight up to 77 lbs (35 kg)
You can also order nylon removable protector for this pinch collar
1.Reduces contact with water
2.Protects against excessive light reflection
3.Collar makes less noise
4.Does not look like pinch collar - looks like regular collar