Evans Collars Adjustable Collar with Material, Large, Polka Dot, Green Made in the USA Available in our designer fabrics such as mini-chevron, damask, hounds tooth, polka dot, neon's and cotton solids Trusted quality for 58 years Sizes: Medium = 10" to 15" neck, Large = 14" to 20" neck, Extra Large = 20" to 30" neck