Max wants us to Support our Troops. He proudly shows his gratitude. . Wool Acrylic blend. Machine wash warm; low heat or lay flat to dry. Cool iron with press cloth if needed.
You may find the following a useful guide for measurements. All size information is approximate as individual dogs and different breeds vary.

Limited Quantity
Size / Back / Neck / Girth XXS / 7" / 6-7" / 9-13" XS / 9" / 8-10" / 14-16" S / 11" / 12-14" / 16-18" M / 13" / 14-16" / 20-23" L / 16" / 17-18" / 25-29" XL / 20" / 21-25" / 30-35" XXL / 26" / 26-30" / 37-40"