Pure Dog K9 sport collar which is made of 4 layers of top quality nylon materials including thickset padding, double stainless steel non rust pins. This collar has excellent tear strength it is made from the toughest materials, the collar includes a additional handle for full control designed to withstand the extreme pressures exerted by your large breed.

 Measurement's 

Medium: 17"-22"

Large: 22"-27"

Xl: 27"-32"