Cozy dreams await! This black sleep sack is made from buttery soft Lunaluxe™ Bamboo to keep your little ones comfortable and warm while they snooze. Featuring a front zipper, adjustable snaps, and smooth shoulder seams, nothing gets in the way of cozy snuggles in this Sleepy Bag. Snag a Zippy to match! Buttery soft Lunaluxe™ Bamboo is hypoallergenic & eczema-friendly Adjustable under arm snaps to grow with baby Double zipper gives you the option to fully open or unzip the lower half for easy diaper changes Fully encased zipper and seams to protect delicate skin Internally quilted to keep baby extra cozy (seasonless only) Seasonless 1.5 TOG is best for nursery temperatures 68°F - 74°F Lightweight 0.5 TOG is best for nursery temperatures 74°F - 78°F More information on TOG Ratings can be found here Exterior & Lining: Lunaluxe™ Bamboo (95% bamboo viscose, 5% spandex) Machine wash cold, gentle cycle Hang to dry *Do not size up. For safety, ensure a proper fit around arms and neck before using. Little Sleepies is proud to donate a portion of each and every sale to Alex's Lemonade Stand Foundation for Childhood Cancer.