Size

Chest

Strap Size

Pet Weight

S

25-40cm

1.5*120cm

1.5-4kg

M

30-45cm

2.0*120cm

4-7.5kg

L

45-55cm

2.5*120cm

7.5-20kg

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.