EzyDog Zero Shock Extension Colour:Red so in almost all cases

so in almost all cases you should find one that fits

Medium:  39-44cm

Swiss made quality

Advocate for Puppies and Small Dogs up to 4kg can be used on puppies from 7 weeks of age

This easy-to-use spot-on is applied fortnightly

EzyDog Zero Shock Extension Colour:Red so in almost all casesGive any leash extra length and shock absorbing properties by attaching the EzyDog Zero Shock Extension. This product uses EzyDog's unique Zero Shock Technology, a shock absorbing component in the centre of the extension that cushions and eases the pressure for both the owner and the dog. No more aching shoulders. The leash extension is made from the unique EzyDog blend of soft touch webbing, making it both comfortable and strong. An additional handle