size xs 10 cm measurement, bust 24 cm, neck 17-20 cm, reference weight 1-2 kg s Measure 14 cm, bust 30 cm, collar 20-24 cm, reference weight 3-4 kg m Measure 16 cm, bust 34 cm, neck 28-32 cm, reference weight 5-8 kg The measurement 18 cm, chest tower 36 cm, collar tower 29-33 cm, reference weight 9-13 kg XL 20 cm measurement, bust 40 cm, collar 30-36 cm, reference weight 14 -16 kg Note: Do not choose a size based on the usual size. Measure the length of the neckline, chest and back of the animal and check the size guide before buying. If your pet grows, please choose a larger size. This round-neck sweater with 2 legs is made of soft and comfortable wool, can keep your pet warm in autumn / winter only. Please allow a slight deviation in the measurement data and make sure it does not bother you before ordering. High quality store for you