1. Material: fabric2. Breathable mesh, available in all seasons3. Close-fitting and comfortable, strong and durable4. S size is suitable for bust circumference 20-48 cm, neck circumference 16-42 cm, weight 2.5-4.5 kg5. M size is suitable for bust circumference 28-58 cm, neck circumference 18-50 cm, weight 3.5-6 kg6. L size is suitable for bust circumference of 34-64 cm, neck circumference of 22-58 cm, weight of 5-7.5 kg7. Weight: about 100 grams8. Size: rope length 110 cm

http://olla.gr/pet-traction-rope-chest-harness-anti-break-away-vest-type-small-dog-walking-rope-size-m-beige/