Introducing the Calypso Fish Sleep Sack 1.0 Tog - the perfect way to keep your little one cozy at night. With this delightful sleep sack, your baby will feel like they're swimming with the fishies (without getting wet!). Say "so long" to traditional blankets and "hello" to a fun and functional sleep solution! Match this up with items from our Calypso Fish Collection to really tie the ensemble together! Product Features: Two-way side zipper so you can open it from bottom for diaper changes, or from top - for easy dressing Wider Zipper-pull guards to protect child’s skin and discourage child from chewing on the zipper pull Inside zipper lining to protect your baby’s tender skin Generous fit to let baby move and kick, promoting healthy hip development Breathable stretchy bamboo regulates baby's body temperature naturally Tag-less back for itch free wearing Easy care - it's machine washable No harsh flame-resistant chemicals used