Please choose the size according to our size chart, with priority given to the chest measurement. SIZE XXL: Chest 21 - 24.5 inches, Neck 15.5 inches, Back 20 inches, Recommended weight 28-40 lbs. SIZE XL: Chest 19 - 21 inches, Neck 13 inches, Back 17.5 inches, Recommended weight 20-28 lbs. SIZE: Large: Chest 17.5 - 19.5 inches, Neck 12 inches, Back 15 inches, Recommended weight 15-20 lbs. SIZE Medium: Chest 16 - 18 inches, Neck 11 inches, Back 14 inches, Recommended weight 13-16 lbs. SIZE: Small: Chest 15 - 16.5 inches, Neck 9.5 inches, Back 12.5 inches, Recommended weight 10-13 lbs. Crafted from soft and stretchable acrylic knit, these sweaters provide cozy warmth and a flexible fit. Comfortable enough for daily indoor and outdoor wear. This dog sweater is perfect for Christmas, Thanksgiving, and New Year. Ideal for photos, gifts, and celebrating festive moments with your pet. Dog sweaters for small dogs puppy clothes dog pajamas cat sweater dog sweatshirt dog christmas clothing chihuahua sweater xs dog sweater pet sweaters dog clothing christmas dog sweater dog outfits Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.