Bamboosa Premium Baby Onesie Long Sleeves Bamboosa for Baby premium onesie long sleeves clothing is soft and snuggly for a little one! A blend of naturally thermal regulating 95% viscose from organic bamboo & 5% Lycra Features: Wicks moisture from baby's skin. Soft, breathable Envelope neck for easy dressing Care: Machine wash cold or warm, tumble dry low, do not bleach