Bwealth Classic fleece dog sweater is a must-have cold-weather fashion for your pet. Super Warmth and Cozy Dog Sweaters for small dogs. Easy on and off dog sweater, Your dogs or cats will be stylish and warm in this dog sweater. Warranty: Bwealth is a company committed to the research and development and production of high-quality cat and dog apparel & accessories. We have confidence with all of our product and our customer service, if there is any issues, please don’t hesitate to contact us, we are always here to help. Description: Easy pull-over style dog sweater is comfortable for tiny pet small dogs to wear Classic Straw-Rope on the back, 2 layers fleece lined inside, stylish and useful in the winter Turn-Down Ribbed collar, cuffs and hem for a snug, cozy fit. How to measure? Note: If you dog is between 2 size, pls choose a size up It is better to choose size by chest length but not weight Chest: Measure the thickest part of chest.(Usually behind the legs) Body: Measure from along the dog's backbone from the base of the neck to 5cm front of base of tail. TIPS: Make sure your dog is standing properly, not sitting, or laying down. Size Chart: Size Chest Length Back Length Recommended weight Small: 14inch 9 inch 2-5 lbs Medium: 15 inch 11 inch 5-8 lbs Large: 17 inch 13 inch 8-11 lbs X-Large: 19 inch 15 inch 11-15 lbs XX-Large: 22 inch 17 inch 15-20 lbs