This dog sweater will fit a dog with up to a 12 1/2" chest circumference at its widest. Handmade crochet acrylic material, fully washable and adjustable. A great gift for any small to medium size dog in the winter cold. The underbelly strap is adjustable to another button size. It measures 16" from the cowl neck to the tail end. Made in a smoke and animal-free home. Please look at my other listings for more interesting crochet items.