ULTRA LIGHT: The entire seat belt weighs less than 60 grams, the same weight as a car key. The cat can walk freely after wearing it, love it 360 rear bust: the chest pressure is even and safe, avoid fatigue and suffocation, protect the cat from the fragile trachea and sore throat. Chest seam: more suitable for the cat's neck and chest, with strong three-dimensional effect. This shatterproof cat scarf has soft edges and elastic padding to prevent injury and escape. High flexibility and dryness: The filling material is light in weight, absorbs moisture and dries quickly, reduces odor, has good toughness, wear resistance and high elasticity. Size S: Bust: 23-28cm, Weight: 1-3kg; M: Bust: 28-33cm, Weight: 3-4.5kg; L: Bust: 33-38cm, Weight: 4.5-7kg. Stretch fabric breathable and comfortable Stretchy design allows the body to relax and breathe < Fits the legs and is strong and durable 360 bust relieves stroke and is comfortable to wear. Designed for furry lovers, it is perfect for everyday walking, running, jogging, hiking, training, outdoor activities and more. Machine Washable: That's why it's easy to clean regularly, just toss it right into the washing machine to relieve the stress of hand washing.