Choose chest straps must choose suitable size, use the size is not the right chest straps can make pet produce resistance to wear the chest straps, size starts to make pet difficulty breathing, chest too much pressure

• S size: bust: 50 to 60 cm, weight: 7-13 kg
• M size: bust: 55-65 cm, weight: 12-23 kg
• L size: bust: 65-80 cm, weight: 23-29 kg
• XL size: bust: 70-90 cm, weight: 28 to 40 kg
• XXL size: bust: 90-125 cm, weight: 40-80 - kg

S size: bust: 50 to 60 cm, weight: 7-13 kgLende