Please allow enough space to slip two fingers between the tape measure and the dog's neck and chest girth 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 garment for your lovely furry pet, makes your pet more attractive. Let the fun in with your dog join 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. Note: Your pet usually wears a size S does not mean all Sizes 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 20lbs. Thank you Size information: Size S: neck: 23 cm; chest circumference: 32 cm; back: 20 cm; Weight: 1.25-2.0 kg. Size M: Neck: 26 cm; chest circumference: 37 cm; back: 25 cm; Weight: 2.0-3.0 kg. Size L: neck circumference: 29 cm; chest circumference: 42 cm; back: 30 cm; Weight: 3.0 - 4.25 kg. Size XL: neck circumference: 32 cm; chest circumference: 47 cm; back: 35 cm; Weight: 4.25-6.0 kg. Size XXL: neck circumference: 35 cm; chest circumference: 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 to slide two fingers between the tape measure and the dog's neck and chest girth. Note: Due to manual measurement, there may be some error there will be deviations of 1-2 cm. Thank you for your understanding.