ALL our items are available for immediate delivery!
XS Neck 22-26cm/ width 18mm
XS-S Neck 25-29cm/ width 18mm
S Neck 26-30cm/ width 24mm
SM Neck 31-35cm/ width 24mm
M Neck 35-39cm/ width 24mm
L Neck 39-45cm/ width 35mm

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

Image with information on how to measure your dog correctly