Officially licensed Florida Marlins MLB Baseball Dog Jersey - Sizes Small to Extra Large (see chart below). Pro team colors and logo. Constructed of breathable micromesh polyester. V-neck cut is stylish and comfort fitting. Made in the USA. Available in the following four sizes: Size Length (inches) Girth (inches) Neck (inches) S 12-13 14-18 10-13 M 14-15 16-20 11-14 L 16-17 20-24 13-16 XL 18-20 27-30 16-21 MVPDOGS carries a large selection of officially licensed NCAA NFL NBA NHL and NASCAR jerseys dog collars leashes and dog toys.