Does your sweet little girl have really big news? Is she about to be a big sister and is so excited she just can't keep calm? Then this sweet front and back big sister t-shirt design is the one for you! The front features the message, "I CAN'T KEEP CALM I'M GOING TO BE A BIG SISTER", and when the big sister to be turns around the expected due date is revealed. Perfect for a pregnancy announcement, new big sister to be gifts, and more! Sit back and enjoy the fun while family and friends figure out what the shirt says! This precious tee is completely customizable: change colors, the wording, add a name, anything you need! Just add your custom requests to the "Special Instructions / Notes" section when ordering. This digitally printed t-shirt means that the fibers of the shirt are actually dyed with eco-friendly water based inks and is printed on a superior quality, super soft t-shirt for long lasting durability.