Anti-bite Sharp Spiked Studded Dog Collar

-Small and Medium feature with one row of sharp spikes
-Large size comes with 3 row sharp spikes

Small - Width 2.5cm (1")
Length 27 - 33cm (10.8" - 13.2")
Medium - Width 2.5cm (1")
Length 30 - 38cm (12" - 15.2")
Large - Width 5cm (2")
Length 48 - 60cm (19" - 23.5")

Since everyone has a different understanding of puppies, medium dogs, and big dogs, it is very important to measure the dog's neck
Use a soft measuring tape to measure the circumference of the neck, plus one inch of length, is the dog's neck circumference.
This is a heavy-duty collar. The weight is also relatively heavy, the L type weighs 11.8 ounces (334g).

the spikes are really sharp, so keep away from child and other valuable items