Ultra-light: the whole harness is less than 60g, the same weight as a car key. Your cat is free to walk after wearing and absolutely loves it! 360 ? back chest circumference: the pressure on the chest is even and safe to avoid pulling and suffocating and protect the cat from the fragile trachea and throat painlessly. Suture added to the chest: to better fit the cat’s neck and chest which has a strong three-dimensional feeling. This anti-fall cat scarf has soft edges and elastic padding to prevent injury and escape. High elasticity and drying: lightweight filling material, moisture absorption, quick drying, odor reduction, toughness, wear resistance and high elasticity. Size S: chest circumference: 23-28 cm and weight: 1-3 kg; M: chest: 28-33cm and weight: 3-4.5kg; L: chest circumference: 33-38 cm and weight: 4.5-7 kg. "