Worn a few times -95% bamboo-viscose/ 5% elastane shell with 100% polyester filling -Made from hypoallergenic, super soft bamboo fabric 3-layer design provides a weighted feel without weighted components and helps soothe to sleep -2-way zipper for effortless diaper changes -Adheres to AAP guidelines for safety, this is NOT a weighted SleepSack -Zipper cover to prevent skin irritation -All-season 1.5 TOG helps avoid overheating -Wide + long 'Hip Healthy' design; endorsed by International Hip Dysplasia Institute -95% bamboo-viscose 5% elastane shell with 100% polyester filling