Zack & Zoey Collegiate Pet Sweater - Black Collegiate dog sweater is comfy and warm pullover that will propel dogs to the top of their class Solid colored knit sweater with contrasting horizontal stripes in the middle of the back Embroidered number one on the back as homage to college spirit; machine-washable acrylic pullover with a knit hem and leg straps for easy fit Made of 100-percent acrylic; available in medium size and black color Measures 16-inch length