- The Sweet Bay Clothing - Baseball Snacks Zipper Onesie features a lively watercolor design that is perfect for any baseball fan. - Crafted from a soft and stretchable blend of 95% bamboo viscose and 5% spandex, this onesie offers comfort and flexibility. - The double zipper design allows for quick and easy diaper changes, while the tag-free feature ensures delicate skin is not irritated. - Perfect for sleepwear, the onesie also includes a fold-over footie option and hand mittens to prevent scratches. - For the safety of your child, this onesie is designed to fit snugly and may run big, so it is recommended to size down for a proper fit.