NODDY & SWEETS Handmade in England Martingale Dog Collar. 
Soft cotton backing plus reinforced webbing. 
Adjustable size. D-Ring for lead/leash attachment.

NB: union flag charm as shown in images is no longer available with this collar.

SIZE GUIDE FOR MARTINGALES;
• X-SMALL = 7"-10"   [17.7cm-25.4cm]
• SMALL    = 9"-15"   [23cm-38cm]
• MEDIUM = 14"-19"  [35.56cm-48.26]
• LARGE    = 18"-23"  [45.72cm-58.42cm]
• X-LARGE  = 22"-27" [56cm-69cm]
• XX-LARGE = 26"-31" [66cm-78cm]

WIDTH;
1" [2.54cm]
1.5" [3.81cm]
2" [5.08cm]

A martingale collar helps prevent a dog from slipping out of their collar. Unlike traditional collars that have to be buckled uncomfortably tight to prevent escape, a martingale collar is loose and comfortable until engaged. Adjusted properly, a martingale collar never chokes, but contracts snugly to prevent the dog from slipping its collar. A martingale collar is made with two loops. The large loop is placed around the dog's neck and adjusted to fit comfortably. The leash is then clipped to the D ring on the smaller loop. When the dog pulls against the collar, the tension on the leash pulls the small loop taut, which makes the large loop smaller and tighter on the neck preventing escape. The two metal guides stop the collar from restricting too much and do not choke the dog.