What a fun way to announce that your fur baby is going to be a Big Sister or Brother! The furry big sister to be will love this comfy and cozy tee, and it will keep her looking super cute at the same time! This personalized t shirt is sure to be your dog or cat's favorite shirt. This tee includes a cute "Baby ____ Guard Dog Duty Begins _____ " embroidery design on the back, featuring your requested name and date. This dog shirt makes a thoughtful and fun gift for an expecting mother to put on her pet to announce the pregnancy! *** Please be sure to refer to the size chart shown above in the listing photos, as these shirts run differently than those available at most retailers. *** Our pet shirts feature: - A high-cut belly to avoid bathroom messes - Ribbed sleeves and hem - Made of polyester and cotton, the fabric won't fade or shrink and is super soft with a nice stretch to it - Machine washable - Available in a rainbow of colors, you're sure to find one to suit your pet perfectly! - Available in a wide range of sizes to fit the tiniest puppy up to large breeds. ***The rat terrier shown in the photos is wearing a medium. Please refer to the size chart in the images and measure your pet to choose the correct size. If your pet is between sizes, please order a size up. *** PLEASE NOTE: We are not responsible for customers who order the wrong size for their pets because no measurements were taken. Please follow the measuring instructions and refer to the size chart.