Suitable for pets under 3.3 pounds. For example, pocket-sized breeds and newborn puppies I love my mother's pattern printed on the back Keep your dog stylish, cute and clean The best holiday gift for your puppy and kitten Perfect for playing, exercising and outdoor activities Product Description Size: X-Small (less than 3.3 pounds) | Color: I love my mom Measure whether your dog fits perfectly Check the photo gallery above to measure your dog correctly Your baby usually wears an S size does not mean that all S sizes are suitable for him/her. Different designers and manufacturers use their own size tables. Therefore, the size given by manufacturer "A" in SMALL size will be the XS size in manufacturer B's size chart. Dont buy a specific size product, because this is the size you often buy in pet stores or online stores. Before you commit to the purchase, be sure to check the bust and length sizing chart and confirm the size. If any measurement is between two sizes, please choose the larger size. If your measurement is close to the upper limit of a given range for a particular size, you may also need to choose a larger size. Make every measurement detrimentally. Each measurement should be loosened a little so that your dog has room to move and breathe, but not too loose. If you have any questions about fit before bidding or buying, please measure carefully before buying and send us an email.