Christian Siriano Pet Collection: Designer Quality, Durable, and Comfy Item, for Pets, At an Everyday Low Price. Take your dog or cat's daily walks in style and comfort, or just lounge around the house. The pull-over style design fits easily over your dog or cat's head for a snug and super comfortable fit. Made from durable acrylic. Great for any occasion and all-day wear. A cute and chic black sweater and the chilly weather of the fall and winter go paw-in-paw! Christian Siriano pet products have a variety of offerings and are designed to keep animals healthy, happy, and energized. Available in multiple sizes.