DOG PENGUIN COSTUME North Pole, Holiday Christmas Hoodie Coat Pet Puppy SMALL 100% Polyester (exclusive of decoration). Actual measurements: Length- 10.5", Neck Circumference- up to 10.5", Chest Circumference- up to 15", note tail adds xtra 2" to back.. According to manufacturer, this should fit most dogs approx. 10"-13" long / 7-12 lbs. Has velcro closures along underside and armholes on underside.