Size

Neck

Chest

Pet Weight

S

31-42cm

36-48cm

3.5-7.5kg

M

36-46cm

41-52cm

7.5-11kg

L

43-52cm

54-66cm

11-16kg

XL

50-60cm

64-78cm

15-25kg

The size chart is for reference only, it is recommended to measure the bust circumference, it is normal that there is a 2-3cm error in manual measurement.