ALL our items are available for immediate delivery!
XS Neck 23-28cm/ width 26mm
S Neck 25-30cm/ width 26mm
M Neck 29-34cm/ width 26mm
L Neck 32-37cm/ width 26mm
XL Neck 36-41cm/ width 29mm

Back = back length
Neck = neck circumference
Chest = chest circumference
Belly = waist circumference

Image with information on how to measure your dog correctly