Ultralight: The whole harness weighs less than 60g, the same weight as a car key. Your cat can walk freely after wearing it and love it! 360° chest circumference: The pressure on the chest is even and safe to prevent pulling and suffocation, protecting the cat’s fragile trachea and throat without pain. Added chest seams: to better fit the cat’s neck and chest, which provides a strong three-dimensional feeling. This anti-fall cat sling has soft edges and elastic padding to prevent injuries and escapes. High elasticity and drying: lightweight filling material, moisture absorption, quick drying, odor reduction, toughness, wear resistance and high elasticity. Size S: Chest: 23-28 cm and Weight: 1-3 kg; M: Chest: 28-33cm and Weight: 3-4.5kg; L: Chest: 33-38cm and Weight: 4.5-7kg.