【Commodity specifications and applicable pet】: medium and large pets
foam collar width: 1.5 cm adjustment range: 30-37cm recommended 3 to 8 pounds use collar width: 2.0 cm adjustment range: 35-45cm recommended 6 ~ 15 pounds to use foam collar width: 2.5 cm adjustment range: 38-52cm recommended 10 ~ 30 pounds use foam collar width: 3.0 cm adjustment range: 46-56cm recommended 25 ~ 70 pounds to use foam collar width: 4.0 cm adjustment range: 55-65cm recommended 50 ~ 100 pounds use Note: manual measurement error of about 1-5 cm hope pro-understanding! Be sure to follow the recommended size to choose Oh ~ ~ ~