Size | Height | Neck Circumference | Model No. |
Small | 8-13.5 cm / 3-5.3 in | 30-39 cm / 12-15.5 in | JS-4040-S |
Regular | 8-13.5 cm / 3-5.3 in | 39-45 cm / 15.5-18 in | JS-4040-R |
Clinicians or private individuals can request further information about this product.