Please allow enough space to slide two fingers between the measuring tape and the dog's neck and chest. Made of soft and cozy cotton, very breathable and comfortable. Perfect for hot weather. Protects your pet from sunshine in summer. Stylish stripe design, cute and adorable little piece of clothing for your lovely furry pet, makes your pet more attractive. Let Your dog can join in the fun in a costume. Enjoy the pet clothes for daily wear, outdoor activities, and photos. Suitable for small dogs, cats, Chihuahua, Shih Tzu and Yorkshire, etc. Note: Your pet usually wears a size S, does not mean all sizes will fit him / her. Please select the size according to the size chart above before purchasing.More product details Note: Your pet usually wears a size S, does not mean that all sizes will fit him / her. Please check the size chart in the product description before purchasing. This shirt runs very small, only fits small toy dogs or puppies under 20 pounds. If your dog has a large chest or long hair, or on the top At the end of the size, you can order the next larger size for a comfortable fit. Thank you very much Size information: Size S: Throat: 23 cm; Chest size: 32 cm; Move: 20 cm; Weight: 1.25-2.0 kg. Size M: Throat: 26 cm; Chest size: 37 cm; Move: 25 cm; Weight: 2.0-3.0 kg. Size L: Neck circumference: 29 cm; Chest size: 42 cm; Move: 30 cm; Weight: 3.0 - 4.25 kg. Size XL: Neck circumference: 32 cm; Chest size: 47 cm; Move: 35 cm; Weight: 4.25-6.0 kg. Size XXL: Neck circumference: 35 cm; Chest size: 52 cm; Back length: 40 cm; for weight 6.0 - 9.0 kg. Size chart shows the size range that will fit your beloved dog.Please allow enough space for two fingers to slide between the tape measure and the dog's neck and chest. Note: Due to manual measurement, there may be a deviation of 1-2 cm. Thank you for your understanding.