Personalized I'm Nine Years Old with Dog and Mouse Baby Sweatshirt. Celebrate your birthday with Dog and Mouse, the unlikely best friends from the children's book "Dog and Mouse" by Michelle Nelson-Schmidt. I'm Nine Years Old with Dog and Mouse Baby Sweatshirt - Heather, perfect for young readers, helpers, and great friends on their birthday. Keep your little one warm and comfortable with this soft infant crew fleece sweatshirt. Made from a cozy cotton poly blend, this pullover offers just the right amount of warmth for cooler days without feeling bulky. The snap-tape neck closure makes dressing quick and easy, and the ribbed collar, cuffs, and hem provide a secure fit that moves with your baby. Durable stitching and side-seam construction help the sweatshirt maintain its shape and softness through repeated washing. Great for everyday wear, daycare, playtime, or layering during fall and winter, this fleece sweatshirt is a practical and comfortable essential for any baby wardrobe.
