The dog is energetic and it is necessary to keep its coat clean to avoid hidden dangers and maintain healthy growth. Combed cotton is more resistant to static electricity. High quality fabrics, warm and comfortable. No irritation, no hidden danger. Windproof and waterproof fabric. NO tight and loose cuffs Size: XS: back length: 18-20cm; Chest: 28-30cm; necklace size: 18-20cm; Clothing weight: 95g: back length: 23-25cm; Bust: 33-35cm; collar size: 46-48cm; Clothing weight: 110g M: Back length: 28-30cm; Bust: 39-41cm; collar size: 28-29cm; Clothing weight: 140 gm: back length: 33-35 cm; Bust: 46-48cm; collar size: 31-33cm; Clothing weight: 175g XL: Back length: 38-40cm; Bust: 52-54cm; collar size: 34-36cm; Clothing weight: 205g XXL: back length: 43-45cm; Bust: 58-60cm; Collar Size: 39-41cm; Clothing weight: 235g Note: Unit is cm and size is actual measurement. Due to different measurement methods, there will be an error of 2-3 cm. The actual size depends on the actual product; If your