Adjustable dog collar made of durable nylon with durable chic welded metal accessories.
High tensile strength double ply nylon fabric.
Interior is soft foam to protect the sensitive skin of your pet 

Medium Collar  3/4" wide  (2cm width 50 cm long)  fits  necks  13 " up to 16"

Large Collar  1" wide (2,5cm width 55 cm long)  fits necks 14" up to 17"

 Heavy duty Extra Large Collar 1 3/4 " wide   (3cm width 60 cm long) fits necks 17 " up to 19"

 XXLarge 1 1/2 " wide (4cm wide 65 cm long) fits necks 18 " up to 23"