It is high quality, strong, durable and comfertable dog collar. It is desinged with round bullet nails. It is very soft to wear your pet and convinient for dog during walking,working and training and have a better bonding with your pet. It is safe for your pet. Do not harm Your pet. It is suitable for medium breed dogs.The Total length of collars 29inchs, width 2inch and adjusting length is 23inch to 28inch.